Photos: Grammys 2015

Mary J. Blige and Sam Smith perform.  (Robert Gauthier / Los Angeles Times)

Madonna performs  (Robert Gauthier / Los Angeles Times)

Arianna Grande performs  (Robert Gauthier / Los Angeles Times)

AC/DC’s Angus Young performs.  (Robert Gauthier / Los Angeles Times)

Audience members wear AC/DC devil’s head horns.  (Robert Gauthier / Los Angeles Times)

AC/DC performs  (Robert Gauthier / Los Angeles Times)

Katy Perry performs.  (Robert Gauthier / Los Angeles Times)

Katy Perry performs.  (Robert Gauthier / Los Angeles Times)

Sia performs  (Robert Gauthier / Los Angeles Times)

Sia performs  (Robert Gauthier / Los Angeles Times)

Madonna performs  (Robert Gauthier / Los Angeles Times)

Madonna performs  (Robert Gauthier / Los Angeles Times)

Beck performs with Coldplay’s Chris Martin.  (Robert Gauthier / Los Angeles Times)

Hozier and Annie Lennox perform.  (Robert Gauthier / Los Angeles Times)

John Legend performs  (Robert Gauthier / Los Angeles Times)

Lady Gaga and Tony Bennett  (Robert Gauthier / Los Angeles Times)

Lady Gaga and Tony Bennett  (Robert Gauthier / Los Angeles Times)

Lady Gaga and Tony Bennett  (Robert Gauthier / Los Angeles Times)

John Mayer and Ed Sheeran  (Robert Gauthier / Los Angeles Times)

Paul McCartney, Rihanna and Kanye West perform at the Grammy Awards show at Staples Center on Feb. 8.  (Robert Gauthier / Los Angeles Times)

Rihanna and Kanye West perform.  (Robert Gauthier / Los Angeles Times)

Paul McCartney, Rihanna and Kanye West perform.  (Robert Gauthier / Los Angeles Times)

Paul McCartney, Rihanna and Kanye West perform.  (Robert Gauthier / Los Angeles Times)

Usher performs  (Robert Gauthier / Los Angeles Times)

Stevie Wonder and Usher perform.  (Robert Gauthier / Los Angeles Times)

Pharrell Williams performs.  (Robert Gauthier / Los Angeles Times)

Pharrell Williams performs.  (Robert Gauthier / Los Angeles Times)

Pharrell Williams performs with Hans Zimmer.  (Robert Gauthier / Los Angeles Times)

Pharrell Williams performs with Hans Zimmer.  (Robert Gauthier / Los Angeles Times)

Gwen Stefani and Adam Levine perform.  (Robert Gauthier / Los Angeles Times)

Presenter Barry Gibb on stage.  (Robert Gauthier / Los Angeles Times)

Beyonce sings  (Robert Gauthier / Los Angeles Times)

Beyonce  (Robert Gauthier / Los Angeles Times)

LL Cool J and Gwyneth Paltrow  (Robert Gauthier / Los Angeles Times)

Taylor Swift  (Robert Gauthier / Los Angeles Times)

Brandy Clark and Dwight Yoakam  (Robert Gauthier / Los Angeles Times)

Brandy Clark and Dwight Yoakam perform.  (Robert Gauthier / Los Angeles Times)

Chandelier performs  (Robert Gauthier / Los Angeles Times)

Eric Church  (Robert Gauthier / Los Angeles Times)

Common performs  (Robert Gauthier / Los Angeles Times)

Beyonce  (Robert Gauthier / Los Angeles Times)

Miranda Lambert  (Robert Gauthier / Los Angeles Times)

Miranda Lambert  (Robert Gauthier / Los Angeles Times)

Tom Jones performs with Jessie J  (Robert Gauthier / Los Angeles Times)

Stevie Wonder and Jamie Foxx announce the nominees for record of the year.  (Robert Gauthier / Los Angeles Times)

Sam Smith wins for record of the year, presented by Stevie Wonder and Jamie Foxx.  (Robert Gauthier / Los Angeles Times)

Prince congratulates Beck for his Grammy win for album of the year.  (Robert Gauthier / Los Angeles Times)

Pharrell Williams accepts the Grammy for best pop solo performance  (Robert Gauthier / Los Angeles Times)

Enrique Iglesias presents on stage.  (Robert Gauthier / Los Angeles Times)

Enrique Iglesias, right, presents Sam Smith the Grammy for song of the year.  (Robert Gauthier / Los Angeles Times)

Sam Smith accept his Grammy for best new artist.  (Robert Gauthier / Los Angeles Times)

Beck accepts the Grammy for best rock album  (Robert Gauthier / Los Angeles Times)

Beck wins for album of the year.  (Robert Gauthier / Los Angeles Times)