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Performance
Jennifer Lopez performs at the 2009 American Music Awards
Jennifer Lopez performs "Louboutins" at the 2009 American Music Awards in Los Angeles, California November 22, 2009.
Whitney Houston performs at the 2009 American Music Awards
Whitney Houston bows after performing "I Didn't Know My Own Strength" at the 2009 American Music Awards in Los Angeles, California November 22, 2009.
Billie Joe Armstrong and Green Day perform at the 2009 American Music Awards
Billie Joe Armstrong and Green Day perform "21 Guns" at the 2009 American Music Awards in Los Angeles, California November 22, 2009.
Alicia Keys performs at the 2009 American Music Awards
Alicia Keys performs "Try Sleeping with a Broken Heart" at the 2009 American Music Awards in Los Angeles, California November 22, 2009.
Shakira performs at the 2009 American Music Awards
Shakira performs "Give It Up To Me" at the 2009 American Music Awards in Los Angeles, California November 22, 2009.
Jay-Z performs at 2009 American Music Awards in Los Angeles
Jay-Z performs "Empire State of Mind" at the 2009 American Music Awards in Los Angeles, California November 22,2009.
Adam Lambert performs at 2009 American Music Awards in L.A.
Adam Lambert performs "For Your Entertainment" at the 2009 American Music Awards in Los Angeles, California November 22,2009
Lady Gaga performs at 2009 American Music Awards in Los Angeles
Lady Gaga performs "Bad Romance" at the 2009 American Music Awards in Los Angeles, California November 22,2009.
Rihanna performs at 2009 American Music Awards in L.A.
Rihanna performs "Wait Your Turn" at the 2009 American Music Awards in Los Angeles, California November 22,2009.
Mary J. Blige performs at 2009 American Music Awards in Los Angeles
Mary J. Blige performs "I Am" at the 2009 American Music Awards in Los Angeles, California November 22,2009.