Hear the full lineup TOMORROW at 9am ET/6amPT
Listen to their new song 'Superheroes'
Put down your burn book and take the quiz
Watch Mraz perform music from his new album YES! and old favorites!
Selena turns 22 today - her GOLDEN birthday!
Find out now
iHeartRadio LIVE: 5 Seconds Of Summer
WUW@W: Yup. This is true.
WUW@W: Three stories. One piece of honesty. Two others are filthy lies from the pit of hell!
DAFUQ: He's nine. She's 62. They just renewed their WEDDING VOWS??!?!
KIM JONG UN: North Korean leader poopypants over this video showing PRESIDENT OBAMA kicking his arse, demands it be pulled down from the YOUTUBES!