LAS VEGAS, NV - MAY 17: Musician B.B. King's guitar "Lucille" is displayed onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Louis Tomlinson, Niall Horan, Liam Payne and Harry Styles of One Direction accept the Top Duo/Group award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Drummer Alex Van Halen of Van Halen performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Eddie Van Halen of Van Halen performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Hosts Chrissy Teigen (L) and Ludacris speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Musicians Wolfgang Van Halen, Alex Van Halen, David Lee Roth and Eddie Van Halen of Van Halen perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Model Martha Hunt, recording artist Taylor Swift, model Lily Aldridge and actress Hailee Steinfeld speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer Taylor Swift accepts the Top Billboard 200 Album award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Pete Wentz of Fall Out Boy performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer Taylor Swift accepts the Top Billboard 200 Album award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actors Tracee Ellis Ross (L) and Laverne Cox speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Wiz Khalifa performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Drummer Andy Hurley of Fall Out Boy performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Joe Trohman, Patrick Stump, Andy Hurley and Pete Wentz of Fall Out Boy perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Actress/singer Zendaya, model Martha Hunt, recording artist Taylor Swift, model Lily Aldridge and actors Hailee Steinfeld and Ellen Pompeo speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists John Legend (L) and Meghan Trainor perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists John Legend (L) and Meghan Trainor perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists John Legend (L) and Meghan Trainor perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (EDITORS NOTE: This image has been converted to black and white.) Recording artists John Legend (L) and Meghan Trainor perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nick Jonas performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nick Jonas performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nick Jonas performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (EDITORS NOTE: This image has been converted to black and white.) Recording artist Nick Jonas performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Danica McKellar speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Danica McKellar speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Mariah Carey performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Celine Dion speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Celine Dion speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Celine Dion speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Charlie Puth performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Taraji P. Henson speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actor/singer Jussie Smollett (L) and recording artist Estelle perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actor/singer Jussie Smollett performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Hozier performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist John Legend accepts the Top Radio Song award for "All of Me" onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist John Legend accepts the Top Radio Song award for "All of Me" onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Niall Horan, Harry Styles, Louis Tomlinson and Liam Payne of One Direction speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (EDITORS NOTE: This image has been converted to black and white.) Recording artist Hozier performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actor/singer Jussie Smollett (L) and recording artist Estelle perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Faith Hill performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Karen Fairchild of Little Big Town performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Taylor Swift accepts the Top Hot 100 Artist award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Kimberly Schlapman of Little Big Town (L) and Faith Hill perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Faith Hill (L) and Karen Fairchild of Little Big Town perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Faith Hill (L) and Karen Fairchild of Little Big Town perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Brian Kelley (L) and Tyler Hubbard of Florida Georgia Line speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Chris Brown performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Chris Brown performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Chris Brown performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Pitbull (L) and Chris Brown perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Jennifer Lopez speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Jennifer Lopez speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Miss America 2015 Kira Kazantsev (L) and musician Pete Wentz of Fall Out Boy speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actor/singers Jussie Smollett (L) and Bryshere Y. Gray perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Ed Sheeran performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Meghan Trainor accepts the Top Hot 100 Song award for "All About That Bass" onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Louis Tomlinson, Niall Horan, Liam Payne and Harry Styles of One Direction accept the Top Duo/Group award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Meghan Trainor accepts the Top Hot 100 Song award for "All About That Bass" onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Drummer Alex Van Halen of Van Halen performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Ed Sheeran performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Eddie Van Halen of Van Halen performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (EDITORS NOTE: This image has been converted to black and white.) Recording artist Ed Sheeran performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Hosts Chrissy Teigen (L) and Ludacris speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Prince Royce speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Musicians Wolfgang Van Halen, Alex Van Halen, David Lee Roth and Eddie Van Halen of Van Halen perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nicki Minaj performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Model Martha Hunt, recording artist Taylor Swift, model Lily Aldridge and actress Hailee Steinfeld speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nicki Minaj performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer Taylor Swift accepts the Top Billboard 200 Album award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nicki Minaj performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Pete Wentz of Fall Out Boy performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nicki Minaj performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer Taylor Swift accepts the Top Billboard 200 Album award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Lauren Jauregui, Camila Cabello, Normani Hamilton, Dinah-Jane Hansen and Ally Brooke of Fifth Harmony speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actors Tracee Ellis Ross (L) and Laverne Cox speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Molly Ringwald speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Wiz Khalifa performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Tori Kelly performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Drummer Andy Hurley of Fall Out Boy performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Tori Kelly performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Joe Trohman, Patrick Stump, Andy Hurley and Pete Wentz of Fall Out Boy perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Tori Kelly performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Actress/singer Zendaya, model Martha Hunt, recording artist Taylor Swift, model Lily Aldridge and actors Hailee Steinfeld and Ellen Pompeo speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Molly Ringwald speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists John Legend (L) and Meghan Trainor perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Molly Ringwald speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists John Legend (L) and Meghan Trainor perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer James Kerr of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists John Legend (L) and Meghan Trainor perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists James Kerr, Mel Gaynor and Ged Grimes of Simple Minds perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (EDITORS NOTE: This image has been converted to black and white.) Recording artists John Legend (L) and Meghan Trainor perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Dan Reynolds of Imagine Dragons performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nick Jonas performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Kelly Clarkson performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nick Jonas performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Brett Eldredge (L) and actress Hailee Steinfeld speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nick Jonas performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Brian Kelley (L) and Tyler Hubbard of Florida Georgia Line accept the Top Country Artist award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (EDITORS NOTE: This image has been converted to black and white.) Recording artist Nick Jonas performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Kanye West performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Taylor Swift accepts the Top Artist award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Danica McKellar speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (EDITORS NOTE: This image has been converted to black and white.) Recording artist Kanye West performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Danica McKellar speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Actors Kevin Dillon, Adrian Grenier, Kevin Connolly and Jerry Ferrara speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Mariah Carey performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Charlie Burchill of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Celine Dion speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Charlie Burchill of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Celine Dion speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Charlie Burchill of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Celine Dion speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer James Kerr of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Charlie Puth performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer James Kerr of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Taraji P. Henson speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer James Kerr of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actor/singer Jussie Smollett (L) and recording artist Estelle perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Mel Gaynor of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actor/singer Jussie Smollett performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Tori Kelly performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Hozier performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.
LAS VEGAS, NV - MAY 17: Recording artist John Legend accepts the Top Radio Song award for "All of Me" onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.
LAS VEGAS, NV - MAY 17: Recording artist John Legend accepts the Top Radio Song award for "All of Me" onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Charlie Burchill, James Kerr, Mel Gaynor and Ged Grimes of Simple Minds perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Niall Horan, Harry Styles, Louis Tomlinson and Liam Payne of One Direction speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.
LAS VEGAS, NV - MAY 17: (EDITORS NOTE: This image has been converted to black and white.) Recording artist Hozier performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Niall Horan, Louis Tomlinson, Harry Styles and Liam Payne of One Direction accept the Top Touring Artist award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actor/singer Jussie Smollett (L) and recording artist Estelle perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Faith Hill (L) and Karen Fairchild of Little Big Town perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Faith Hill performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist John Legend (C) accepts the Top Radio Song award for "All of Me" from recording artists Harry Styles and Louis Tomlinson of One Direction onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Karen Fairchild of Little Big Town performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Miss America 2015 Kira Kazantsev (L) and musician Pete Wentz of Fall Out Boy speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Taylor Swift accepts the Top Hot 100 Artist award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Miss America 2015 Kira Kazantsev (L) and musician Pete Wentz of Fall Out Boy speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Kimberly Schlapman of Little Big Town (L) and Faith Hill perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Jimi Westbrook, Kimberly Schlapman of Little Big Town, Faith Hill and Karen Fairchild and Phillip Sweet of Little Big Town perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Faith Hill (L) and Karen Fairchild of Little Big Town perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician B.B. King's guitar "Lucille" is displayed onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Faith Hill (L) and Karen Fairchild of Little Big Town perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Brian Kelley (L) and Tyler Hubbard of Florida Georgia Line speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Chris Brown performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Chris Brown performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Chris Brown performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Pitbull (L) and Chris Brown perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Jennifer Lopez speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Jennifer Lopez speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Miss America 2015 Kira Kazantsev (L) and musician Pete Wentz of Fall Out Boy speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actor/singers Jussie Smollett (L) and Bryshere Y. Gray perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Ed Sheeran performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Meghan Trainor accepts the Top Hot 100 Song award for "All About That Bass" onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Meghan Trainor accepts the Top Hot 100 Song award for "All About That Bass" onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Ed Sheeran performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (EDITORS NOTE: This image has been converted to black and white.) Recording artist Ed Sheeran performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Prince Royce speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nicki Minaj performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nicki Minaj performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nicki Minaj performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Nicki Minaj performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Lauren Jauregui, Camila Cabello, Normani Hamilton, Dinah-Jane Hansen and Ally Brooke of Fifth Harmony speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Molly Ringwald speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Tori Kelly performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Tori Kelly performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Tori Kelly performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Molly Ringwald speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Actress Molly Ringwald speaks onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer James Kerr of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists James Kerr, Mel Gaynor and Ged Grimes of Simple Minds perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Dan Reynolds of Imagine Dragons performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Kelly Clarkson performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Brett Eldredge (L) and actress Hailee Steinfeld speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Brian Kelley (L) and Tyler Hubbard of Florida Georgia Line accept the Top Country Artist award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Kanye West performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Taylor Swift accepts the Top Artist award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (EDITORS NOTE: This image has been converted to black and white.) Recording artist Kanye West performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Actors Kevin Dillon, Adrian Grenier, Kevin Connolly and Jerry Ferrara speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Charlie Burchill of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Charlie Burchill of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Charlie Burchill of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer James Kerr of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer James Kerr of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Singer James Kerr of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Musician Mel Gaynor of Simple Minds performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist Tori Kelly performs onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.
onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Charlie Burchill, James Kerr, Mel Gaynor and Ged Grimes of Simple Minds perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Niall Horan, Louis Tomlinson, Harry Styles and Liam Payne of One Direction accept the Top Touring Artist award onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artists Faith Hill (L) and Karen Fairchild of Little Big Town perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Recording artist John Legend (C) accepts the Top Radio Song award for "All of Me" from recording artists Harry Styles and Louis Tomlinson of One Direction onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Miss America 2015 Kira Kazantsev (L) and musician Pete Wentz of Fall Out Boy speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: Miss America 2015 Kira Kazantsev (L) and musician Pete Wentz of Fall Out Boy speak onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 17: (L-R) Recording artists Jimi Westbrook, Kimberly Schlapman of Little Big Town, Faith Hill and Karen Fairchild and Phillip Sweet of Little Big Town perform onstage during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
2015 Billboard Music Awards - Show
