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

Updated: Friday Jun 20, 2008 | 11:40 AM EDT

CHLOE SEVIGNY

The actress makes a conservative appearance in a drop-waist white Sonia Rykiel dress and Chanel purse at the Cartier Loveday celebration in Los Angeles.