Meghan Trainor, Justin Bieber set to rock iHeartRadio Awards

The iHeartRadio Awards show airs live on TBS, TNT and truTV and iHeartMedia's radio stations Sunday, April 3rd.

LOS ANGELES (AP) — Justin Bieber and Meghan Trainor are among the pop stars set to perform at Sunday’s iHeartRadio Music Awards.

The third-annual music celebration puts the focus on fan favorites, with Taylor Swift already being named winner of an award for best tour. Swift will accept the award but is not scheduled to perform.

U2 will be honored during Sunday’s ceremony, which will feature performances by Bieber, Trainor, Chris Brown, Iggy Azalea, Fetty Wap and other stars.

Top nominees are Swift and The Weeknd, who are both up for song of the year.

R&B singer Jason DeRulo will host the show, which is broadcasting live from The Forum in Los Angeles.

The show airs live on TBS, TNT and truTV and iHeartMedia’s radio stations.