Featuring performances from Rihanna, Sam Smith, Madonna, Jason Aldean & more
Tune in tomorrow night at 8/7c on NBC to see who wins!
Click through some of our favorite nominated lines... meme-i-fied!
2015 iHeartRadio Music Award Nominees
28 Classic April Fools' Pranks
WATCH: Kid Steals The Show Dancing To 'Happy' At High School Basketball Game
WATCH: Sean Hayes & Husband Lip Sync Iggy Azalea & Jennifer Hudson's 'Trouble'
There May Be An Unreleased Beyonce Album Just Sitting Around Somewhere