iHeartRadio Music Festival in Las Vegas

Billie Eilish performs during the second day of the iHeartRadio Music Festival at the T-Mobile Arena in Las Vegas, Nevada, September 18, 2021. REUTERS/Steve Marcus

J. Cole performs during the first day, September 17, 2021. REUTERS/Steve Marcus

Lil Baby performs with dancers during the second day. REUTERS/Steve Marcus

Kid Laroi along with guitarist Omar Fedi performs during the second day. REUTERS/Steve Marcus

Nelly (C) performs with Brian Kelley (L) and Tyler Hubbard of Florida Georgia Line during the first day. REUTERS/Steve Marcus

Sam Hunt performs during the second day. REUTERS/Steve Marcus

Billie Eilish performs with her brother Finneas during the second day. REUTERS/Steve Marcus

City Spud and Nelly perform during the first day. REUTERS/Steve Marcus

Cheap Trick guitarist Rick Nielsen performs during the first day. REUTERS/Steve Marcus

Billie Eilish performs during the second day. REUTERS/Steve Marcus

Weezer lead singer Rivers Cuomo performs during the first day. REUTERS/Steve Marcus

Darius Rucker performs with a member of his band during the first day. REUTERS/Steve Marcus

Finneas performs during the first day. REUTERS/Steve Marcus

Billie Eilish performs during the second day. REUTERS/Steve Marcus

J. Cole (L) and Bas perform during the first day. REUTERS/Steve Marcus

Walker Hayes performs during the first day. REUTERS/Steve Marcus

Lil Baby performs during the second day. REUTERS/Steve Marcus

Kid Laroi performs during the second day. REUTERS/Steve Marcus

Cheap Trick lead singer Randy Hogan performs with the band during the first day. REUTERS/Steve Marcus

Sam Hunt performs with members of his band during the second day. REUTERS/Steve Marcus

Nelly performs with Tyler Hubbard of Florida Georgia Line during the first day. REUTERS/Steve Marcus

Cheap Trick drummer Daxx Nielsen performs during the first day. REUTERS/Steve Marcus