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An uncaged Zac Brown commands the stage during a performance on Nov. 16 in San Jose, Calif.
James Hetfield of Metallica performs on the 56th Annual GRAMMY Awards on Jan. 26 in Los Angeles
Alesso, Avicii, Hardwell, Steve Aoki, Steve Angello
Chris Daughtry leaves it all onstage during a performance on March 24 in Birmingham, England
Santana won eight awards at the 42nd GRAMMYs in 2000, tying Michael Jackson's record and marking the first time a group or duo won six or more GRAMMYs in one night
Conciertos en Chile Diciembre 2013: Steve Aoki
#JaredLeto of#ThirtySecondstoMars performs onstage at the 2014 #iHeartRadio Music Awards held at The Shrine Auditorium on May 1, 2014 in Los Angeles, California. Photo by Getty Images #longhair #hair #menshair #beard #aviator #avaiatorglasses
You oughta know she loves it. Alanis Morissette is all smiles during a performance at congressional candidate Marianne Williamson's campaign rally on May 19 in Beverly Hills, Calif.
June 6 - Of Monsters and Men posing for a photo before they perform as part of the iHeartRadio LIVE Coca-Cola Summer Series. Photo Credit: Roger Kisby
October 22, 2013 - iHeartRadio Theater Los Angeles' grand opening celebrating the release of Katy Perry's new album PRISIM in Burbank, CA. Listen to #KatyPerry on #iHeartRadio Photo: Chris Polk/Getty for iHeartRadio
Chris Daughtry looks cool in denim during a performance on "Fox & Friends" on June 6 in New York