Photo SpecialInside Music's Biggest Mash-Up
Justin Bieber and Snoop Dogg's hand jive, Nicole Richie's meet and greet with a JoBro – and more surprise pairings from the "We Are the World" sessions
Credit: Kevin Mazur/WireImage
Updated: Tuesday Feb 02, 2010 | 05:00 PM EST By: Brian Orloff
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