Grammy Awards - PICS

Taylor Swift, left, presents Sam Smith with the award for best new artist at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Taylor Swift, left, presents Sam Smith with the award for best new artist at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Angus Young, left, and Brian Johnson, of AC/DC, perform at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Ariana Grande performs at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Jessie J, left, and Tom Jones present the award for best pop solo performance to Pharrell Williams, right, for "Happy" at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Chick Corea poses in the press room with the awards for best improvised jazz solo for "Fingerprints" and best jazz instrumental album for "Trilogy". Photo: Chris Pizzello/Invision/AP

Madonna performs at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Beck accepts the award for best rock album for "Morning Phase" at the 57th annual Grammy Awards on Sunday. Picture: John Shearer/Invision/AP

Madonna performs at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Ed Sheeran performs at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Gwen Stefani, left, and Adam Levine perform at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Pharrell Williams performs at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Katy Perry performs at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Lady Gaga, left, and Tony Bennett perform at the 57th annual Grammy Awards on Sunday. Picture: John Shearer/Invision/AP

Paul McCartney, from left, Rihanna, and Kanye West perform at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Kristen Wiig, left, and Maddie Ziegler perform as Sia sings "Chandelier" at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

William Phillips, from left, James Napier and Sam Smith accept the award for song of the year for "Stay With Me" at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Beck, left, and Chris Martin perform at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP

Common, left, and John Legend perform at the 57th annual Grammy Awards on Sunday. Photo: John Shearer/Invision/AP