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Lunchtime Lowdown: Happy 30th Birthday, Nicole Richie!
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Sept. 21 2011, Published 8:26 a.m. ET
• Watch Kelly Clarkson perform "Mr. Know It All" on the Tonight Show. (Celebuzz)
• Check out Brad Pitt and Jonah Hill playing the "Yes/No" game. (Just Jared)
• Paula Abdul talks X Factor vs. American Idol. (Radar Online)
• Tony Bennett says sorry for his 9/11 comments. (Huffington Post)
• Nicole Richie celebrates her 30th birthday today! (PopSugar)
• Guns N' Roses planning first U.S. tour in five years. (MTV News)
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