Celeb Fashion Hit or Miss?

Vote on this week's styles including Mary-Kate Olsen, Reese Witherspoon and more stars! You decide – are they fashionistas or flops?

  • SIENNA MILLER  photo | Sienna Miller

Credit: Jon Furniss/WireImage

Updated: Friday Dec 05, 2008 | 11:25 AM EST

SIENNA MILLER

The actress shows off her legs in a jeweled Louis Vuitton minidress at the British Independent Film Awards in London.