Photos: iHeartRadio 2015 | Red carpet

Rapper and “Furious 7” actor Ludacris.

Meghan Trainor, left, musicians Tyler Hubbard and Brian Kelley of Florida Georgia Line, and actress Brittany Snow

Actress-singer Zendaya

Rapper Iggy Azalea.

Chris Brown arrives.

Rapper Snoop Dogg and his UCLA-bound son Cordell Broadus

Former boxing champion Mike Tyson, left, radio hosts Ryan Seacrest and Big Boi, and Boy George.

“Game of Thrones” actress Carice van Houten

“Jane the Virgin” actress Gina Rodriguez

Musicians Ashton Irwin, left, Calum Hood, Luke Hemmings and Michael Clifford of 5 Seconds of Summer.

Singers Shannon Bex, left, and Aubrey O’Day of Dumb Blonde

Nick Jonas

Singer Adam Lambert  (Frazer Harrison / Getty Images for iHeartMedia)

Musician Charlie Wilson  (Jason Merritt / Getty Images for iHeartMedia)

Musicians Nikki Sixx, left, James Michael and DJ Ashba of Sixx:A.M.  (Jason Merritt / Getty Images for iHeartMedia)

Singers Camila Cabello, left, Normani Kordei, Lauren Jauregui, Ally Brooke, and Dinah-Jane Hansen of Fifth Harmony  (Frazer Harrison / Getty Images for iHeartMedia)

Actor Steven Yeun  (Frazer Harrison / Getty Images for iHeartMedia)

“Modern Family” actress Ariel Winter, singer Lord KraVen, center, and Jason Derulo.