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?

KRISTEN BELL

Giving lace modern elegance, the Heroes star hits the Hangover red carpet in a plunging Brian Reyes dress, statement necklaces by vintage House of Lavande and Yvel, a Bally clutch and nude Brian Atwood platforms.