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Sofia Vergara & Johnny Depp! Martha Stewart & Diddy! Meet the stars' party pals in their Twitter pics
Credit: Courtesy Justin Bieber
Updated: Tuesday Jul 12, 2011 | 06:00 AM EDT By: Cara Lynn Shultz
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JUSTIN & LUDACRIS
Justin Bieber greets his "great friend" Ludacris, who lent his vocals to the pop star's hit "Baby," backstage at the CMT Awards. No, the two didn't perform – the rapper was there to close the show with "Dirt Road Anthem," his duet with country singer Jason Aldean.
