2015 iHeart Radio Music Awards: Winners List

Artist of the Year: Taylor Swift
Song of the Year: Taylor Swift, "Shake It Off"
Best Collaboration: Jessie J, Ariana Grande and Nicki Minaj, "Bang Bang"
Best New Artist: Sam Smith
Country Song of the Year: Jason Aldean, "Burnin' It Down"
Hip Hop/R&B Song of the Year: Jeremih ft. YG, "Don't Tell ‘Em"
Dance Song of the Year:  Calvin Harris, "Summer"
Renegade: Brantley Gilbert
Alternative Rock Song of the Year: Hozier, "Take Me to Church"
Best Lyrics: Taylor Swift, "Blank Space"
Best Fan Army: 5 Seconds of Summer, 5SOSFAM