Mariah Carey Live-Premieres New Song During 2018 iHeartRadio Music Festival

posted by James Dinh - 

After completing the first leg of her "Butterfly Returns" Las Vegas residency, Mariah Carey returned to Sin City on Friday night (September 21) to dazzle our 2018 iHeartRadio Music Festival with the live debut of her recent single, "GTFO," a string of her biggest hits and an explosion of gold confetti.

Relive more of the iHeartRadio Music Festival at iHeart.com!

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