Monday, May 18, the Billboard Music Awards took place at the MGM Grand Garden Arena in Las Vegas. It was aired live on ABC. The show was hosted by Ludacris and Chrissy Teigen.

The 2015 Billboard winners are:
Top Artist – Taylor Swift
Top Male Artist – Sam Smith
Top Female Artist – Taylor Swift
Top New Artist – Sam Smith
Top Duo/Group – One Direction
Top Billboard 200 Album – Taylor Swift – 1989
Top Hot 100 Song – Meghan Trainor – “All About That Bass”
Top Billboard 200 Artist – Taylor Swift
Top Hot 100 Artist – Taylor Swift
Top Digital Songs Artist – Taylor Swift
Top Digital Song – Meghan Trainor – “All About That Bass”
Top Radio Song – John Legend – “All of Me”
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 Soundtrack – Various Artists – 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 – Sex and Love
Top Dance/Electronic Album – Lindsey Stirling – Shatter Me
Top Christian Album – Lecrae – Anomaly
Top R&B Song – Pharrell – “Happy”
Top Rap Song – Iggy Azalea – “Fancy (ft. Charli XCX)”
Top Country Song – Jason Aldean – “Burnin’ It Down”
Top Rock Song – Hozier – “Take Me to Church”
Top Latin Song – Enrique Iglesias – “Bailando (ft. Descemer Bueno & Gente de Zona)”
Top Dance/Electronic Song – DJ Snake & Lil Jon – “Turn Down For What”
Top Christian Song – Carrie Underwood – “Something In The Water”
Top Streaming Song (Audio) – John Legend – “All of Me”
Top Streaming Song (Video) – Taylor Swift – “Shake It Off”
Billboard Chart Achievement Award – Taylor Swift