Last Night's Look: Hit or Miss?

Vote on this week's styles including Megan Fox, Kristen Stewart and more stars! You decide – are they fashionistas or flops?

LAUREN CONRAD

The former Hills girl unveils her "Got Milk" ad in style in a navy ruffled-top 3.1 Phillip Lim jumpsuit accessorized with a braided tan belt and matching platforms in L.A.