Find pics of Mariah Carey, Gracie Abrams, Green Day, LL Cool J, Becky G & more floating around the awards show.
SZA won R&B artist of the year for the third year in a row, which sets a new record for most wins in the category.
The exclusive performance came from night 1 of The Eras Tour in Glendale, Arizona, exactly two years ago today.
"Even though the world might consider a woman in her late 30s old for a pop star -- which is insane -- I promise that I'm just getting warmed up," she told the crowd.
Bad Bunny, Billie Eilish, GloRilla, Gracie Abrams, Kenny Chesney, Muni Long and Nelly are set to perform on the show.
"I am so happy I got to be there to cheer on my Dreamgirls sister," Hudson wrote on her Instagram.
These six awards extend Swift's lead as the artist with the most iHeartRadio Awards. She now has 25.
From Beyoncé accepting the Innovator Award from Stevie Wonder to SZA winning song of the year, here are the best pics from Monday's awards show.
The superstar received her award from Stevie Wonder.
When "Waterfalls" got to Left Eye's famous rap verse, T-Boz and Chilli welcomed Latto to the stage to take the reins.
