Celeb Fashion Hit or Miss?

Vote on this week's styles including Mary-Kate Olsen, Paris Hilton and more stars! You decide – are they fashionistas or flops? By Melissa Liebling-Goldberg

MARY-KATE OLSEN

The actress dons a belted white vintage Lanvin dress and orange heels for the N.Y.C. Cinema Society screening of her new film The Wackness.