Season 1

The 1st iHeartRadio Music Awards, was the inaugural music award show presented by iHeartMedia's platform iHeartRadio and NBC. The awards were held on May 1, 2014, at the Shrine Auditorium in Los Angeles. The awards show was announced on February 26, 2014. The nominations were compiled by the results of Mediabase charts, listener feedback and digital straming data from the iHeartRadio platform and announced on March 26, 2014. The awards recognized the biggest artists and songs of the year. The show was directed by Hamish Hamilton. The voting took place on iHeartRadio's official webpage except for the "Instagram Award", where voting took place on social network Instagram. Rihanna led the nominations with eight and also became the biggest winner of the night with four wins including Artist of the Year and Song of the Year.

The 2nd iHeartRadio Music Awards was the second music award show presented by iHeartMedia's platform iHeartRadio and NBC. The awards were held on March 29, 2015, at the Shrine Auditorium in Los Angeles and were hosted by Jamie Foxx. Taylor Swift won three awards, including Artist of the Year and Song of the Year. Justin Timberlake was presented with the Innovator Award.

This year's iHeartRadio Awards will include LIVE performances by Justin Bieber, ZAYN, Demi Lovato, Meghan Trainor, Chris Brown, Fetty Wap, & more!

The 2017 iHeartRadio Music Awards will be held on March 5, 2017 at The Forum in Inglewood, California, and will be hosted by Ryan Seacrest. The list of nominations was announced on January 3, 2017

The 2018 iHeartRadio Music Awards will be held on March 11, 2018 at The Forum in Inglewood, California. The list of nominations was announced on January 10, 2018. DJ Khaled and Hailey Baldwin will be the hosts.