Photos | New York's 2010 Summer Jam Lineup

New York's 2010 Summer Jam Lineup Related Artists Usher Drake Nicki Minaj Ludacris Source: http://www.mtv.com/photos/?fid=1638323Katie Holmes Katy Perry Keira Knightley Kelly Brook Kelly Carlson Kelly Clarkson Kelly Hu Kelly Monaco Kelly Ripa Kelly Rowland

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