Last Night's Look: Hit or Miss?

Vote on this week's styles by Blake Lively, Mariah Carey and more stars! You decide – are they fashionistas or flops?

KATE HUDSON

Going incognito at a Veuve Cliquot charity polo match near N.Y.C., the newly brunette actress pairs a flirty white dress with nude sandals, a chic straw hat and the requisite superstar shades.