PHOTOS: iHeartRadio Music Festival 2016

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Billy Idol and Miley Cyrus.

Photo: Getty Images
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Miley Cyrus

Photo: Getty Images
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Sam Hunt.

Photo: Getty Images
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Ryan Tedder - One Republic

Photo: Getty Images
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Sia

Photo: Getty Images
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Sia

Photo: Getty Images
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Maddie Ziegler with Sia

Photo: Getty Images
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Twenty one pilots
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twenty one pilots

Photo: Getty Images
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twenty one pilots

Photo: Getty Images
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Britney Spears

Photo: Getty Images
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Britney Spears

Photo: Getty Images
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Backstreet Boys

Photo: Getty Images
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Backstreet Boys

Photo: Getty Images
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Ariana Grande

Photo: Getty Images
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Ariana Grande

Photo: Getty Images
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The iHeartRadio Music Festival went down again in Vegas! Spanning over huge days, it features artists like Sia, Twenty One Pilots, Ariana Grande and more! Check out some of the live performance pics.

You can watch the live stream HERE

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