Full list of winners at Billboard Music Awards 2015:
Top artist: Taylor Swift
Top new artist: Sam Smith
Top male artist: Sam Smith
Top female artist: Taylor Swift
Top duo/group: One Direction
Top Billboard 200 artist: Taylor Swift
Top Hot 100 artist: Taylor Swift
Top digital songs artist: Taylor Swift
Top radio songs artist: Sam Smith
Top touring artist: One Direction
Top social artist: Justin Bieber
Top streaming artist: Iggy Azalea
Top R&B artist: Pharrell Williams
Top rap artist: Iggy Azalea
Top country artist: Florida Georgia Line
Top rock artist: Hozier
Top Latin artist: Romeo Santos
Top dance/electronic artist: Calvin Harris
Top Christian artist: Hillsong
Top Billboard 200 album: Taylor Swift, 1989
Top soundtrack: Frozen
Top R&B album: Pharrell, GIRL
Top rap album: J Cole, 2014 Forest Hill Drive
Top country album: Jason Aldean, Old Boots, New Dirt
Top rock album: Coldplay, Ghost Stories
Top Latin Album: Enrique Iglesias, S** and Love
Top dance/electronic album: Lindsey Stirling, Shatter Me
Top Christian album: Lecrae, Anomaly
Top Hot 100 song: Meghan Trainor, All About That Bass
Top digital song: Meghan Trainor, All About That Bass
Top radio song: John Legend, All Of Me
Top streaming song (audio): John Legend, All Of Me
Top streaming song (video): Taylor Swift, Shake It Off
Top R&B song: Pharrell Williams, Happy
Top rap song: Iggy Azalea Feat. Charli XCX, Fancy
Top country song: Jason Aldean, Burnin’ It Down
Top rock song: Hozier, Take Me To Church
Top Latin song: Enrique Iglesias Featuring Descemer, Bailando
Top dance/electronic song: DJ Snake & Lil Jon, Turn Down For What
Top Christian song: Carrie Underwood, Something In The Water
Billboard chart achievement award: Taylor Swift
