5 Seconds Of Summer's Luke Hemmings performs at Warped Tour with the Summer Set—watch

5 Seconds Of Summer lead vocalist Luke Hemmings made an appearance at Warped Tour’s Pomona date to sing “Lightning In A Bottle“ with the Summer Set. You can watch fan-recorded video of the epic moment below. How cool is it to see a member of 5SOS at Warped?!

Watch: 5 Seconds Of Summer guitarist’s hair catches fire mid-set

LUKE SINGING LIGHTNING IN THE A BOTTLE WITH THE SUMMER SET AT WARPED TOUR���� pic.twitter.com/QzGWUTCyHg

— stephanie❀ (@irwinscouture) August 8, 2016

Watch more: 5 Seconds Of Summer: Behind the scenes of an AP cover shoot