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 - Arrivals

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

The 55th Annual GRAMMY Awards - Arrivals

arrives 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 during 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 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 - Press Room

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

The 55th Annual GRAMMY Awards - Press Room

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

US-MUSIC-GRAMMY AWARDS-TROPHY

Mumford and Sons pose with their trophies in the press room at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Robyn BECK (Photo credit should read ROBYN BECK/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 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.