Last Night's Look: Hit or Miss?

Vote on this week's styles, including Kristin Cavallari, Cameron Diaz and more stars! You decide – are they fashionistas or flops?

NICOLE KIDMAN

The actress selects her second Elie Saab dress of the week, switching from an icy blue gown to a red-hot cocktail dress worn with Jimmy Choo sandals, Cathy Waterman jewels and an eggplant L'Wren Scott clutch at an N.Y.C. screening of Snow Flower and the Secret Fan.