Last Night's Look: Hit or Miss?

Vote on this week's styles including Rihanna, Kim Kardashian and more stars! You decide – are they fashionistas or flops?

MICHELLE TRACHTENBERG

Leaving the Upper East Side behind, the Gossip Girl troublemaker tops her denim leggings off with a sharp tuxedo blazer and jeweled necklace for the BlackBerry Torch Launch Party in L.A.