Last Night's Look: Hit or Miss?

Vote on this week's styles including Audrina Patridge, Mariah Carey and more stars! You decide – are they fashionistas or flops?

GWEN STEFANI

Gwen makes for one hot mama in hot pants topped with a sheer tank, oversized clutch and lace-up pumps at the Conde Nast Traveler Hot List Party in Las Vegas.