5 Seconds of Summer's "Complete Mess" Music Video

Australian Pop-Rock Band Releases Official Music Video

Video Features Lead Vocalist Luke Hemmings, Calum Hood

5 Seconds of Summer, the Australian pop-rock band consisting of lead vocalist Luke Hemmings, Calum Hood, Michael Clifford, and Ashton Irwin, has released the official music video for their latest single, "Complete Mess."