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?

Credit: Jeffrey Mayer/WireImage

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

REESE WITHERSPOON

The Four Christmases star suits up in black for the 18th Annual Los Angeles Beat the Odds dinner hosted by the Children's Defense Fund.