2021 iHeartRadio Music Awards. The star-studded show kicked off Thursday night, and brought out some of the biggest names in music to perform live.Hosted by Usher — who also sang during the performance-packed ceremony — this year's show featured some incredible numbers from artists including The Weeknd, Ariana Grande, Demi Lovato, Silk Sonic and others.The night also features a musical tribute to the beloved work of Elton John, ahead of the star being honored with the iHeartRadio Icon Award -- presented by Chris Martin and Lil Nas X.ET is taking a look at all the biggest, best and most memorable performances from this year's iHeartRadio Music Awards.
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