WATCH: 5 Seconds of Summer Conquer Tweet & Dare

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!


Check out the full lineup for this year's iHeartRadio Music Festival



Listen to 5 Seconds of Summer Radio on iHeartRadio

The guys of 5 Seconds of Summer performed for an intimate group of fans at the iHeartRadio Theater in New York City this week. But before the band took the stage, they hung out with iHeartRadio's Paul The Web Guy where they received quite a few of their fans' tweet dares. It basically turned into a backstage game of "Tweet & Dare!"

The guys were great sports, and did everything from sing Spice Girls songs to rap battle about bananas! Check it out below:


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