Celine dion
                                                                                          
                                                                                           
                                                                                   

Iggy Azalea and Brittany spears
                                                                           
                                                            
                                                       
                                                               
                                               
                                                   
Full list of winners
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
Meghan Trainor
TOP DIGITAL SONGS ARTIST
Taylor Swift
TOP RADIO SONGS ARTIST
John Legend
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 United
TOP BILLBOARD 200 ALBUM
Taylor Swift, 1989
TOP SOUNDTRACK
Frozen
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 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
Sam Smith, Stay With 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
TOP CHRISTIAN SONG
Carrie Underwood, Something in the Water
BILLBOARD CHART ACHIEVEMENT AWARD PRESENTED BY SAMSUNG GALAXY (FAN-VOTED)
Taylor Swift