Jennifer Lopez arrives at Glamour Magazi

Jennifer Lopez arrives at Glamour Magazine's 21st annual Women of the Year Awards November 7, 2011 at Carnegie Hall in New York. AFP PHOTO/DON EMMERT (Photo credit should read DON EMMERT/AFP/Getty Images)

Jennifer Lopez's 2011 American Music Awards Post-Party - Arrivals

<> on November 20, 2011 in Los Angeles, California.

Jennifer Lopez arrives at Glamour Magazi

Jennifer Lopez arrives at Glamour Magazine's 21st annual Women of the Year Awards November 7, 2011 at Carnegie Hall in New York. AFP PHOTO/DON EMMERT (Photo credit should read DON EMMERT/AFP/Getty Images)

Jennifer Lopez's 2011 American Music Awards Post-Party - Arrivals

<> on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Press Room

poses in the press room at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Press Room

poses in the press room at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Show

onstage at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Show

onstage at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Show

onstage at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Show

onstage at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Press Room

poses in the press room at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Show

onstage at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Show

onstage at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Show

onstage at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

2011 American Music Awards - Show

onstage at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.