The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: (L-R) Singer Christina Aguilera and rapper Pitbull perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Recording artist Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Rapper Pitbull onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The 40th American Music Awards - Show

LOS ANGELES, CA - NOVEMBER 18: Rapper Pitbull performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on November 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)