Taylor Swift
Sam Smith
Snoop Dog
Rihanna
The Black Keys
Jay Z
Jennifer Hudson
Meghan Trainor
Jason Derulo
John Legend
Luke Bryan
Ariana Grande
Charlie Wilson
Foo Fighters
Usher
Iggy Azalea
Madonna
Pharrell Williams
Martin Garrix
Katy Perry
Jessie J
Justin Timberlake
Beyoncé
whew!
iHeartRadio got lucky this year.
The lineup is better than some big music shows.
