Last Night's Look: Hit or Miss?

Vote on this week's styles, including Kristin Cavallari, Cameron Diaz and more stars! You decide – are they fashionistas or flops?

AUDRINA PATRIDGE

For an MTV bash in Melbourne, Australia, the star trades her laid-back L.A. look for a more dramatic style, pairing a printed minidress with a leather jacket and booties, plus striking deep-purple lips.