Singer Katy Perry arrives at the 54th annual Grammy Awards in Los Angeles, California. REUTERS/Danny Moloshok : Star's death brings sombre note to Grammys

Dave Grohl of Foo Fighters celebrates after winning Best Rock Album (Wasting Light). REUTERS/Mario Anzuoni : Star's death brings sombre note to Grammys

Singer Tony Bennett (L) holds the hand of Janis Winehouse, mother of late singer Amy Winehouse, after the two singers won Best Duo/Group Performance (Body And Soul). REUTERS/Mario Anzuoni : Star's death brings sombre note to Grammys

Fergie of The Black Eyed Peas (C) arrives. REUTERS/Danny Moloshok : Star's death brings sombre note to Grammys

DJ Deadmau5 lightened the mood. REUTERS/Danny Moloshok : Star's death brings sombre note to Grammys

TV personality Kelly Osborne had a smile for the cameras. REUTERS/Danny Moloshok : Star's death brings sombre note to Grammys

Cyndi Lauper arrived with her mother. Catrine. REUTERS/Danny Moloshok : Star's death brings sombre note to Grammys

Singer Sasha Gradiva brought out the metal armature while posing on her arrival. REUTERS/Danny Moloshok : Star's death brings sombre note to Grammys

Adele performs 'Rolling in the Deep'. REUTERS/Mario Anzuoni : Star's death brings sombre note to Grammys

Brian Wilson (L), Mike Love and David Marks (R) of The Beach Boys perform with Adam Levine (C) of Maroon 5. REUTERS/Mario Anzuoni : Star's death brings sombre note to Grammys

Katy Perry turned up the heat with her performance. REUTERS/Mario Anzuoni : Star's death brings sombre note to Grammys