WATCH: Demi Lovato twerks!
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!
Listen to Demi Lovato on iHeartRadio
Miley Cyrus may be the Queen of Twerk these days, but now it looks like she has some competition! Check out Demi Lovato's moves!
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