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

  • HEIDI KLUM photo | Heidi Klum

Credit: Jeffrey Mayer/Wireimage

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

HEIDI KLUM

Leaving her bold red gown behind, the Project Runway host sizzles in a Roberto Cavalli silver sequined minidress at Elton John's afterparty.