Watch 2018 iHeartRadio Music Awards live stream online

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Song of the Year nominees include "Despacito" (Luis Fonsi and Daddy Yankee featuring Justin Bieber), "Shape Of You" (Ed Sheeran), "That's What I Like" (Bruno Mars), "Something Just Like This" (The Chainsmokers and Coldplay) and "Wild Thoughts" (DJ Khaled featuring Rihanna and Bryson Tiller).