Pictured: Rihanna
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The performers for this year's iHeartRadio Music Awards will include Rihanna, Sam Smith, Madonna, Nate Ruess, Snoop Dogg, Alesso, Jennifer Hudson and more.
Set to air live March 29 on NBC, Jason Aldean, Meghan Trainor, Jason Derulo, Kelly Clarkson, Iggy Azalea and Florida Georgia Line are also among those who will perform.
Smith and Azalea lead the nominations with five each; Taylor Swift, who is promised to appear but not perform, has four nods, as does Ariana Grande.