JUST ADDED: 5 Seconds of Summer will be rocking the stage at this year's iHeartRadio Music Festival Village in Las Vegas! The band sat down with Ryan Seacrest to break the news. Click here to buy your tickets now, before they sell out!
Highly buzzed-about rap-rock duo twenty one pilots, composed of Tyler Joseph and Joshua Dun, stunned the crowd with their acrobatic set filled with stage climbs and backflips. They kicked off the iHeartRadio Music Festival Village charged with energy as Tyler climbed all the way to the top of the stage as if almost to freefall mid-song. They transferred their energy to the early iHeartRadio Village attendees with the stamina they'll need for the rest of the day!