Celeb Fashion Hit or Miss?

Vote on this week's styles from Tyra Banks, Paris Hilton and 36 more stars! You decide – are they fashionistas or flops? By Melissa Liebling-Goldberg

  • SIENNA MILLER photo | Sienna Miller

Credit: Mavrix

Updated: Saturday Mar 29, 2008 | 06:00 AM EDT

SIENNA MILLER

The actress keeps it casual for a walk in Los Angeles in a pale Gypsy 05' silk sundress and slouchy boots.