Last Night's Look: Hit or Miss?

Vote on this week's styles including Sienna Miller, Nicole Richie and more stars! You decide – are they fashionistas or flops?

16 of 51

MICHELLE TRACHTENBERG

On-screen she might play a villain, but the Gossip Girl star is perfectly sweet in her beaded pleated chiffon dress, metallic silver clutch and nude peep-toes at the NBC Universal Press Tour All Star Party in Pasadena, Calif.
Sorry! This poll has closed.