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Vote on this week's styles from Tyra Banks, Paris Hilton and 36 more stars!
You decide – are they fashionistas or flops? By Melissa
Credit: Scott Doctor / Splash News
Updated: Saturday Mar 29, 2008 | 06:00 AM EDT
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The singer celebrates her 33rd birthday with a bash in Las Vegas in head-to-toe Dolce & Gabbana and Cartier diamonds.
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