GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: Singer Katy Perry onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: Singer Nicki Minaj speaks onstage durnig The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: GRAMMY producer Ken Ehrlich speaks onstage durnig The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: recording artist James Todd Smith 'LL Cool J' speaks onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: Recording artist James Todd Smith 'LL Cool J' (L) and President of the National Academy of Recording Arts and Sciences Neil Portnow onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: Singers Valerie Simpson (L) and Usher perform onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: Musician Bruno Mars onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: Musician Jason Aldean and rapper Chris 'Ludicris' Bridges perform onstage durnig The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: Actress Taraji P. Henson speaks onstage durnig The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: Singer Nicki Minaj and recording artist James Todd Smith "LL Cool J" speak onstage durnig The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: Rappers Scorpio (L) and Melle Mel perform onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 30: (L-R) Rappers Common, LL Cool J, Melle Mel, and Scorpio perfrom onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

GRAMMY Nominations Concert Live!! - Show

(Photo credit FREDERIC J. BROWN/AFP/Getty Images)

The Band Perry performs at the Grammy Nominations Concert in Los Angeles on November 30, 2011. AFP PHOTO/FREDERIC J. BROWN (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)