Last Night's Look: Hit or Miss?

Vote on this week's styles including Blake Lively, Ashlee Simpson-Wentz and more stars! You decide – are they fashionistas or flops?

  • HAYDEN PANETTIERE  photo | Hayden Panettiere

Credit: John Shearer/Getty

Updated: Friday May 22, 2009 | 11:35 AM EDT

HAYDEN PANETTIERE

The Heroes star channels her inner goddess in a soft pastel pink embroidered Marchesa dress with a sweeping train and bare makeup for the amfAR Cinema Against AIDS party in Cannes.