iHeartMedia and NBC announced the nominations Wednesday. The awards will be presented March 29 at the Shrine Auditorium in Los Angeles. The event will be televised live on NBC and air simultaneously on iHeartMedia stations and across the network's digital music platform.
Swift, Azalea, Grande, Smith and Luke Bryan are nominated for artist of the year. Best new artist nominees include Azalea, Smith, Bastille, Cole Swindell and Meghan Trainor. Other categories include song of the year and best collaboration.
Fans can vote for three awards, including best lyrics.