Style Watch PollCeleb Fashion Hit or Miss

Vote on this week's styles from Mary-Kate Olsen, Rihanna, Blake Lively and more stars! You decide – are they fashionistas or flops? By Melissa Liebling-Goldberg

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The singer goes for retro glam in her belted keyhole pencil dress, T-strap platforms and a curly bob during a visit to BET's 106 & Park.

Credit: Bryan Bedder/Getty

Updated: Friday Feb 29, 2008 | 11:35 AM EST

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