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 petite actress pairs her jeans with a one-shouldered Zac Posen top and adorable yellow heels at the Los Angeles premiere of Kit Kittredge: An American Girl.