Last Night's Look: Hit or Miss?

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

LAUREN CONRAD

L.C. sizzles at a signing of her book L.A. Candy in a black satin pencil skirt, printed kimono-sleeve blouse, Vogue Eyewear sunglasses and Anita Ko jewelry in Los Angeles.