The 2018 iHeartRadio Music Awards air tonight, with DJ Khaled and Hailey Baldwin hosting the event. The show airs from 8 – 10 p.m. ET/6 – 8 p.m. PT on the channels TNT, TBS and TruTV, with an encore p. Ed Sheeran’s globe-conquering ubiquity goes on with the news that he’s scooped a third consecutive BMI London song of the yea. The fan-fueled fifth annual iHeartRadio Music Awards on Sunday,…