Lady Gaga, centre, performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Lady Gaga performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Elton John performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Beyonce performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Beyonce performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Pink performs ‘Glitter in the Air’ at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Pink performs ‘Glitter in the Air’ at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Pink performs ‘Glitter in the Air’ at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Pink performs ‘Glitter in the Air’ at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Green Day and the cast of American Idiot perform at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Michael Jackson's children Paris, left, and Prince Michael Jackson II accept the Lifetime Achievement award on behalf their father presented by Lionel Richie, right, at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Taylor Swift , left, and Stevie Nicks perform at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Mary J. Blige, left, and Andrea Bocelli perform at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Bon Jovi performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Usher, left, and Carrie Underwood perform during a tribute in honor of Michael Jackson at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Taylor Swift reacts as she accepts the album of the year award at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Fergie, left, Fergie,and apl.de.ap, of the Black Eyed Peas, perform at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
T-Pain, left, Slash, centre, Jamie Foxx perform at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
From left, Drake, Eminem, and Lil Wayne perform at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Alice Cooper, second right, presents Billie Joe Armstrong, of Green Day, with the best rock album at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. At left is Katy Perry.
AP Photo/Matt Sayles
Lea Michele, left, presents Beyonce with the award for best female pop vocal performance at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. In background right is Ricky Martin.
AP Photo/Matt Sayles
The Jonas Brothers from left, Nick, Joe, Kevin are seen on stage at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Quentin Tarantino is seen at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Matt Sayles
Miley Cyrus, left, and Tish Cyrus at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles.
AP Photo/Chris Pizzello
Singer Katy Perry, right, and actor Russell Brand arrive at the EMI Grammy party in Los Angeles on Sunday, Jan. 31, 2010.
AP Photo/Dan Steinberg