PLUS: Backstage with Justin, Beyoncé and more in Las Vegas
Credit: Denise Truscello/WireImage
Updated: Monday Sep 10, 2007 | 01:50 PM EDT
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The producer gives a shout-out to the crowd at his Jet Nightclub bash at The Mirage Hotel. Meanwhile, pal Justin Timberlake skipped the scene in favor of celebrating his wins back in his hotel room with girlfriend Jessica Biel.
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