Last Night's Look: Hit or Miss?

Vote on this week's styles including Lauren Conrad, Kim Kardashian and more stars! You decide – are they fashionistas or flops?

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RIHANNA

She's one stylish wedding guest! The singer steals the spotlight at a friend's nuptials in Venice, Italy, with her fierce fashions, including a body-conscious, asymmetrical dress, marabou stole, Erickson Beamon earrings and her newly blonde streaks.