The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.

US-MUSIC-GRAMMY AWARDS-SHOW

Justin Timberlake performs on stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)

US-MUSIC-GRAMMY AWARDS-SHOW

Justin Timberlake (L) and Jay-Z perform on stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)

The 55th Annual GRAMMY Awards - Show

onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.

The 55th Annual GRAMMY Awards - Show

onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.