Last Night's Look: Hit or Miss?

Vote on this week's styles by Blake Lively, Mariah Carey and more stars! You decide – are they fashionistas or flops?

LEIGHTON MEESTER

Gossip Girl's Queen Bee takes her look in a totally different direction at the MTV Movie Awards, working it in a black cut-out Emilio De La Morena dress, sexy black Brian Atwood booties and Cathy Waterman jewelry.