Celeb Fashion Hit or Miss?

Vote on this week's styles including Sienna Miller, Julia Roberts and more stars! You decide – are they fashionistas or flops? By Melissa Liebling-Goldberg

KEIRA KNIGHTLEY

The Edge of Love star may show off her singing in the movie, but her red carpet prowess is hard to miss in this pleated purple Erdem dress, Moschino heels and Van Cleef & Arpels jewels at a private party for the film in London.