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!
Austin Mahone's Mahomies claimed victory at the very first iHeartRadio Music Awards in Los Angeles after he won the Instagram Award!
Congratulations to Austin and all of his Mahomies!
Check out Austin talking about his fan army on the red carpet with Elvis Duran!
Speaking of Instagram, Austin went Instagram CRAZY at the iHeartRadio Music Awards. Check it out below: