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?

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ZOE SALDANA

Wearing an elegant keyhole-neckline Chloé dress, camel belt and nude Lanvin clutch, the actress is on hand to catch Kate's victory kiss to a winning Prince William at a charity polo match in Santa Barbara, Calif.