Singer Chris Brown performs at the Stapl

Singer Chris Brown performs at the Staples Center during the 54th Grammy Awards in Los Angeles, California, February 12, 2012. AFP PHOTO Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

Singer Chris Brown performs at the Stapl

Singer Chris Brown performs at the Staples Center during the 54th Grammy Awards in Los Angeles, California, February 12, 2012. AFP PHOTO Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

The 54th Annual GRAMMY Awards - Show

performs onstage at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California.

The 54th Annual GRAMMY Awards - Show

performs onstage at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California.

The 54th Annual GRAMMY Awards - Show

performs onstage at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California.

The 54th Annual GRAMMY Awards - Show

performs onstage at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California.

Singer Chris Brown performs at the Stapl

(ROBYN BECK/AFP/Getty Images)

Singer Chris Brown performs at the Stapl

Singer Chris Brown performs at the Staples Center during the 54th Grammy Awards in Los Angeles, California, February 12, 2012. AFP PHOTO Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

Singer Chris Brown performs at the Stapl

Singer Chris Brown performs at the Staples Center during the 54th Grammy Awards in Los Angeles, California, February 12, 2012. AFP PHOTO Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

The 54th Annual GRAMMY Awards - Show

performs onstage at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California.

The 54th Annual GRAMMY Awards - Show

performs onstage at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California.

The 54th Annual GRAMMY Awards - Show

performs onstage at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California.

The 54th Annual GRAMMY Awards - Show

performs onstage at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California.

The 54th Annual GRAMMY Awards - Show

performs onstage at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California.