Last Night's Look: Hit or Miss?

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

LEIGHTON MEESTER

Also heating up Gossip Girl's 100th episode celebration in N.Y.C., Leighton sizzles in a white-hot, tattered-skirted strapless frock with studded strappy sandals and smoky eyes.