Pharrell Williams, Coachella 2014
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Luke Bryan, Pitbull, Ariana Grande and Thirty Seconds to Mars will also perform during the telecast.

Pharrell, Drake and Blake Shelton are among the A-listers set to perform at the first iHeartRadio Music Awards.

Rihanna, Justin Timberlake Top Finalists for iHeartRadio Music Awards

Clear Channel announced Monday that Kendrick Lamar, Shakira, Ed Sheeran and Arcade Fire will also take the stage at the May 1 awards show in Los Angeles. Lady Gaga, Katy Perry, Lorde and Coldplay's Chris Martin will make appearances.

Contenders for artist of the year include Rihanna, Maroon 5, Justin Timberlake, Imagine Dragons and Macklemore & Ryan Lewis.

IHeartRadio Music Awards To Air May 1 on Clear Channel, NBC

The awards will air live on NBC from the Shrine Auditorium starting at 8 p.m. Eastern.

Luke Bryan, Pitbull, Ariana Grande and Thirty Seconds to Mars will also perform during the three-hour telecast.