iHeartRadio Music Awards is a music awards show that celebrates music heard throughout the year across iHeartMedia radio stations nationwide and on iHeartRadio , iHeartMedia 's digital music platform . Founded by iHeartRadio in 2014 , the event recognizes the most popular artists and music over the past year . Winners are chosen per cumulative performance data , while the public is able to vote in several categories . The inaugural event was held on May 1 , 2014 at the Shrine Auditorium in Los Angeles . Its first two years were broadcast live on NBC , from 2016 to 2018 it was simulcast on TBS , TNT and TruTV . The sixth annual iHeartRadio Music Awards were held on March 14 , 2019 at the Microsoft Theater , Los Angeles and broadcast live on Fox . The trophy is manufactured by the New York firm Society Awards
inaugural event
2014 iHeartRadio Music Awards
IHeartRadio Music Awards