1 of 25 Lil Nas X and Olivia RodrigoPhoto: Getty Images
2 of 25 (L-R) Victoria De Angelis, Thomas Raggi, Ethan Torchio, and Damiano David of Måneskin Photo: Getty Images
3 of 25 (L-R) John Legend and Charlie PuthPhoto: Getty Images
4 of 25 Olivia Rodrigo (2nd from R) poses with (from L) Damiano David, Ethan Torchio, Victoria De Angelis, and Thomas Raggi of Måneskin Photo: Getty Images
5 of 25 Heidi Klum and Tom Kaulitz Photo: Getty Images
6 of 25 Host LL Cool J and Jason Aldean Photo: Getty Images
7 of 25 Anderson .Paak and Bruno Mars of Silk SonicPhoto: Getty Images
8 of 25 (L-R) James Maslow, Logan Henderson and Kendall Schmidt of Big Time RushPhoto: Getty Images
9 of 25 Blackbear and Michele MaturoPhoto: Getty Images
10 of 25 Tanya Rad, Sisanie, Alex Gaskarth, Robert Rian Dawson, Jack Barakat, and Zack Merrick of All Time LowPhoto: Getty Images
11 of 25 Kelly RowlandPhoto: Getty Images
12 of 25 Olivia RodrigoPhoto: Getty Images
13 of 25 Lainey Wilson, winner of Best New Country ArtistPhoto: Getty Images
14 of 25 Halsey and Olivia Rodrigo Photo: Getty Images
15 of 25 Lil Nas X and Olivia RodrigoPhoto: Getty Images
16 of 25 Lainey WilsonPhoto: Getty Images
17 of 25 Robin ThickePhoto: Getty Images
18 of 25 The Kid LAROI, winner of Best Collaboration for “Stay” (with Justin Bieber) and the Chart Ruler AwardPhoto: Getty Images
19 of 25 Thomas Raggi of MåneskinPhoto: Getty Images
20 of 25 Victoria De Angelis of Måneskin Photo: Getty Images
21 of 25 Oliver Hudson and Erinn BartlettPhoto: Getty Images
22 of 25 Dove Cameron, David Guetta, and Heidi Klum Photo: Getty Images
23 of 25 Ben AffleckPhoto: Getty Images
24 of 25 Lil Nas XPhoto: Getty Images
25 of 25 Megan Thee Stallion Photo: Getty Images
The ninth annual iHeartRadio Music Awards celebrates the most-played artists and songs on iHeartRadio stations and the iHeartRadio app throughout 2021, while also offering a preview of the upcoming hits of 2022.