Celeb Fashion Hit or Miss?

Vote on this week's styles including Christina Aguilera, Jennifer Lopez and more stars! You decide – are they fashionistas or flops?

HEIDI MONTAG

While her rival got glam for the Emmys, the Hills' resident villain rang in her 22nd birthday in a body-hugging shimmering Hervé Léger mini at the Christian Audigier Nightclub in Las Vegas.