Billboard Music Awards 2015: The Complete Winners List

The 2015 Billboard Music Awards was dominated by Taylor Swift. Not only did the 25 year old American singer-songwriter and actress, premiere her star-studded music video for “Bad Blood,” she won a total of eight prizes including top artist. Sam Smith was the other big winner of the night, taking home the top male artist, top new artist, and top radio songs artist prizes.  Other multiple winners included Pharrell Williams, who swept the three R&B categories, Aussie rapper Iggy Azalea, Hozier and One Direction
Ludacris and Chrissy Teigen hosted the ceremony, with special performances from Kanye West, Nicki Minaj, Mariah Carey, Chris Brown and John Legend, among others.

Here's a list of winners for the 2015 Billboard Music Awards:
Top Artist
Taylor Swift
Top Billboard 200 Album
Taylor Swift, 1989
Top Male Artist
Sam Smith
Top Female Artist
Taylor Swift
Top Hot 100 Song
Meghan Trainor, "All About that Bass"
Top New Artist
Sam Smith
Top Duo/Group
One Direction
Top Billboard 200 Artist
Taylor Swift
Top Radio Songs
Sam Smith
Top Touring Artist
One Direction
Top Social Artist
Justin Bieber
Top Streaming Artist
Iggy Azalea
Top R&B Artist
Top Digital Songs Artist
Meghan Trainor
Top Rap Artist
Iggy Azalea
Top Country Artist
Florida Georgia Line
Top Rock Artist
Top Latin Artist
Romeo Santos
Top Dance/Electronic Artist
Calvin Harris
Top Soundtrack
Top R&B Album
Pharrell Williams, G I R L
Top Rap Album
J. Cole, 2014 Forest Hills Drive
Top Country Album
Jason Aldean, Old Boots, New Dirt
Top Rock Album
Coldplay, Ghost Stories
Top Latin Album
Enrique Iglesias, Sex and Love
Top Dance/Electronic Album
Lindsey Stirling, Shatter Me
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 feat. Descemer Bueno & Gente de Zona, “Bailando”
Top Dance/Electronic Song
DJ Snake & Lil Jon, “Turn Down for What”
Fan Voted Award
Billboard Chart Achievement Award presented by Samsung
Taylor Swift
-Devashree Goenka