LOS ANGELES, CA - MARCH 29: (L-R) Musicians Ashton Irwin, Luke Hemmings, Calum Hood, and Michael Clifford of 5 Seconds of Summer attend the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Mazur/Getty Images for iHeartMedia)
