Celeb Fashion Hit or Miss

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

  • COURTENEY COX photo | Courteney Cox

Credit: Dara Kushner/INF

Updated: Friday Feb 29, 2008 | 11:35 AM EST

COURTENEY COX

The Dirt star manages to stay dry in the rain in a belted black trench – but keeps things glam in strappy heels for her appearance on the Late Show with David Letterman.