SANTA MONICA, CA - AUGUST 17: Musician Luke Hemmings of 5 Seconds Of Summer performs onstage during Vevo Certified Live at Barker Hangar on August 17, 2015 in Santa Monica, California. (Photo by Christopher Polk/Getty Images for Vevo)
SANTA MONICA, CA - AUGUST 17: Musician Luke Hemmings of 5 Seconds Of Summer performs onstage during Vevo Certified Live at Barker Hangar on August 17, 2015 in Santa Monica, California. (Photo by Christopher Polk/Getty Images for Vevo) Christopher Polk
SANTA MONICA, CA - AUGUST 17: Musician Luke Hemmings of 5 Seconds Of Summer performs onstage during Vevo Certified Live at Barker Hangar on August 17, 2015 in Santa Monica, California. (Photo by Christopher Polk/Getty Images for Vevo) Christopher Polk