Last Night's Look: Hit or Miss?

Vote on this week's styles including Reese Witherspoon, Maggie Gyllenhaal and more stars! You decide – are they fashionistas or flops?

MICHELLE TRACHTENBERG

Gossip Girl's resident bad girl is looking good at a Nylon Guys party in N.Y.C., striking a pose in an ornate metallic top and skinny leggings.