In Pictures: The 54th annual Grammy Awards
Katy Perry performs.
Adele holds her six Grammy Awards after winning every category in which she was nominated, including album of the year for 21 and best record with Rolling In the Deep.
Singer Whitney Houston, who died on Feb. 11, 2012, is shown on a video screen in a 1994 Grammy performance during the 54th annual Grammy Awards in Los Angeles on Feb. 12, 2012.
Jennifer Hudson performs I Will Always Love You as a tribute to the late Whitney Houston.
Host LL Cool J at the 54th annual Grammy Awards in Los Angeles.
Rihanna arrives.
Taylor Swift, left, and Neil Patrick Harris arrive.
Joyce DiDonato celebrates backstage with the award for best classical vocal solo for Diva Divo.
Alicia Keys performs.
Dave Grohl of Foo Fighters celebrates after winning Best Rock Album for Wasting Light.
Lady Gaga takes her seat during a commercial break.
Tony Bennett and Carrie Underwood perform It Had to Be You.
Glen Campbell sings Rhinestone Cowboy during a tribute to him.
Elvis Costello and Diana Krall arrive.
Bruce Springsteen and Nils Lofgren, left, of the E street band perform.
Paul McCartney after performing My Valentine.
Singer Diana Ross poses backstage with her lifetime achievement Grammy.