Singers Cee Lo Green (L) and Gwyneth Paltrow perform onstage during The 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images

Arcade Fire performs onstage during The 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images

Musician Charles Kelley and singer Hillary Scott of Lady Antebellum perform onstage during The 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images

Rappers Dr. Dre (L) and Eminem perform onstage during The 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images

(L-R) Singers Martina McBride, Christina Aguilera and Jennifer Hudson perform onstage during The 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images

Singer Lady Gaga performs onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images

Singer Rihanna performs onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images

Singers Jaden Smith (L) and Justin Bieber perform onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images

Singer Mick Jagger performs onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images

Musician Bob Dylan (C) and the bands The Avett Brothers and Mumford and Sons perform onstage during The 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images

Singer Katy Perry performs onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Photo by Kevin Winter/Getty Images