Nominee for Best Pop Solo Performance Katy Perry arrives on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles,...
Singer Kelly Clarkson accepts an award onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.
Singer Taylor Swift performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.
Singers Katy Perry and John Mayer attend the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
February 10, 2013 Rihanna arrives for the 55th Annual GRAMMY Awards at STAPLES Center in Los Angeles, CA. Sunday, February 10, 2013.
Singer/Musician Taylor Swift, winner of Best Song Written For Visual Media, poses in the press room at the 55th Annual GRAMMY Awards at Staples...
Jay-Z attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Singer Taylor Swift arrives at the 55th Annual Grammy Awards held at the Staples Center in Los Angeles.
Musicians Nate Ruess, Andrew Dost, and Jack Antonoff of the band fun., winner Best New Album and Song of The Year "We Are Young", pose in the press...
Katy Perry attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Taylor Swift arrives at the 55th Annual Grammy Awards at the Staples Center on February 10, 2013 in Los Angeles, California.
Singer Beyonce, winner Best Traditional R&B Performance, poses in the press room at the 55th Annual Grammy Awards at the Staples Center on February...
Beyonce attends The 55th Annual GRAMMY Awards - press room held at Staples Center on February 10, 2013 in Los Angeles, California.
Singer Taylor Swift performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.
Beyonce attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Singer Katy Perry arrives at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.
February 10, 2013 Adele on stage presenting at the 55th Annual GRAMMY Awards at STAPLES Center in Los Angeles, CA. Sunday, February 10, 2013....
Katy Perry arrives at the 55th Annual Grammy Awards at the Staples Center on February 10, 2013 in Los Angeles, California.
Rihanna arrives at the 55th Annual Grammy Awards at the Staples Center on February 10, 2013 in Los Angeles, California.
Katy Perry and Allison Williams arrive at the 55th Annual Grammy Awards at the Staples Center on February 10, 2013 in Los Angeles, California.
Katy Perry arrives at the 55th Annual Grammy Awards at the Staples Center on February 10, 2013 in Los Angeles, California.
Singer/Musician Taylor Swift, winner of Best Song Written For Visual Media, poses in the press room at the 55th Annual Grammy Awards at the Staples...
Beyonce arrives at the The 55th Annual GRAMMY Awards on February 10, 2013 in Los Angeles, California.
Rihanna arrives at the The 55th Annual GRAMMY Awards on February 10, 2013 in Los Angeles, California.
Singer Kelly Clarkson accepts Best Pop Vocal Album award for 'Stronger' onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February...
Musician Taylor Swift performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Singer Taylor Swift performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.
Singer Taylor Swift performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.
Singer Rihanna attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Singer Taylor Swift poses in the press room during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Beyonce attends The 55th Annual GRAMMY Awards - press room held at Staples Center on February 10, 2013 in Los Angeles, California.
Singer Beyonce poses in the press room during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Singer Katy Perry attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Rapper Jay-Z attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Singer Katy Perry attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Singer Beyonce attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Singer/actress Jennifer Lopez attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Kaskade looks on as songerwriter John Paul White, singers T Bone Burnett and Taylor Swift accept the Best Song Written For Visual Media Award for...
Singer Taylor Swift arrives at the 55th Annual Grammy Awards held at the Staples Center in Los Angeles.
Winner, Beyonce, at THE 55TH ANNUAL GRAMMY AWARDS. The music industry's premier event will take place Sunday, Feb. 10 , at STAPLES Center in Los...
Rihanna arrives at the 55th Annual Grammy Awards at the Staples Center on February 10, 2013 in Los Angeles, California.
Katy Perry arrives at the 55th Annual Grammy Awards at the Staples Center on February 10, 2013 in Los Angeles, California.
Singer Beyonce, winner Best Traditional R&B Performance, poses in the press room at the 55th Annual Grammy Awards at the Staples Center on February...
Singer/Musician Taylor Swift, winner of Best Song Written For Visual Media, poses in the press room at the 55th Annual Grammy Awards at the Staples...
Taylor Swift arrives at the The 55th Annual GRAMMY Awards on February 10, 2013 in Los Angeles, California.
Singer Taylor Swift arrives at The 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.
Katy Perry arrives at the The 55th Annual GRAMMY Awards on February 10, 2013 in Los Angeles, California.
Katy Perry arrives at the The 55th Annual GRAMMY Awards on February 10, 2013 in Los Angeles, California.
Katy Perry arrives at the The 55th Annual GRAMMY Awards on February 10, 2013 in Los Angeles, California.
Singer Rihanna arrives at The 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.
Singer Taylor Swift performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.
Singer Taylor Swift performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.
Singer Rihanna arrives at The 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California.
Singer Beyonce, winner Best Traditional R&B Performance for "Love on Top", poses in the press room at the 55th Annual GRAMMY Awards at Staples Center...
Singer Beyonce poses in the press room during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California.