Last Night's Look: Hit or Miss?

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

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RIHANNA

Never one to keep it casual, the singer steps out for a night in Manhattan in a skin-tight mini skirt and tiered peach blouse accessorized to perfection with a beaded choker, retro frames and ankle booties.