Last Night's Look: Hit or Miss?

Vote on this week's styles including Kelly Osbourne, Hilary Duff and more stars! You decide – are they fashionistas or flops?

LO BOSWORTH

She's already giving fans The Lo Down on life and love, and the new advice maven provided her own style inspiration at the West Hollywood Lia Sophia cocktail party in white shorts, a black blouse and brown platform sandals.