And it suits her. Like, really suits her. She's gone from vixen to pixie in space of one post.
Here's the 25-year-old actress with her on-screen siblings two days ago after wrapping season 7 of Modern Family.
And this is her latest post, entitled "Hello from the darker side." The powers that be should really consider letting "Hayley" go to the dark side - we may have mentioned it before; it really suits her.
Have you any thoughts on Sarah's hair? Do you prefer the lighter hue?