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

JADA PINKETT SMITH

The actress is sophisticated in slim jeans, a Valentino-belted purple Reem Acra bustier and YSL platform heels at the N.Y.C. premiere of Kit Kittredge: An American Girl.