PARIS, FRANCE - MARCH 09: A model walks the runway during the Giambattista Valli show as part of the Paris Fashion Week Womenswear Fall/Winter 2015/2016 on March 9, 2015 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)
PARIS, FRANCE - MARCH 09: A model walks the runway during the Giambattista Valli show as part of the Paris Fashion Week Womenswear Fall/Winter 2015/2016 on March 9, 2015 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)
PARIS, FRANCE - MARCH 09: A model walks the runway during the Giambattista Valli show as part of the Paris Fashion Week Womenswear Fall/Winter 2015/2016 on March 9, 2015 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)
LOS ANGELES, CA - MARCH 26: Singer Katy Perry, shoe detail, attends the screening of EPIX's "Katy Perry: The Prismatic World Tour" at The Theatre at Ace Hotel Downtown LA on March 26, 2015 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
LOS ANGELES, CA - MARCH 26: Singer Katy Perry, shoe detail, arrives at the Screening Of EPIX's "Katy Perry: The Prismatic World Tour" at The Theatre at Ace Hotel Downtown LA on March 26, 2015 in Los Angeles, California. (Photo by Valerie Macon/Getty Images)
LOS ANGELES, CA - MARCH 26: Singer Katy Perry, fashion detail, attends the screening of EPIX's 'Katy Perry: The Prismatic World Tour' at The Theatre at Ace Hotel Downtown LA on March 26, 2015 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
PARIS, FRANCE - MARCH 09: A model walks the runway during the Giambattista Valli show as part of the Paris Fashion Week Womenswear Fall/Winter 2015/2016 on March 9, 2015 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)
PARIS, FRANCE - MARCH 09: A model walks the runway during the Giambattista Valli show as part of the Paris Fashion Week Womenswear Fall/Winter 2015/2016 on March 9, 2015 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)
PARIS, FRANCE - MARCH 09: A model walks the runway during the Giambattista Valli show as part of the Paris Fashion Week Womenswear Fall/Winter 2015/2016 on March 9, 2015 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)
LOS ANGELES, CA - MARCH 26: Singer Katy Perry, shoe detail, attends the screening of EPIX's "Katy Perry: The Prismatic World Tour" at The Theatre at Ace Hotel Downtown LA on March 26, 2015 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
LOS ANGELES, CA - MARCH 26: Singer Katy Perry, shoe detail, arrives at the Screening Of EPIX's "Katy Perry: The Prismatic World Tour" at The Theatre at Ace Hotel Downtown LA on March 26, 2015 in Los Angeles, California. (Photo by Valerie Macon/Getty Images)
LOS ANGELES, CA - MARCH 26: Singer Katy Perry, fashion detail, attends the screening of EPIX's 'Katy Perry: The Prismatic World Tour' at The Theatre at Ace Hotel Downtown LA on March 26, 2015 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
Booty Watch: Giambattista Valli AW 2015 Boot Style