Taylor Swift, Sam Smith lead 2015 Billboard Music Awards nominations

Taylor Swift and Sam Smith lead the nominations for this year's 2015 Billboard Music Awards. 

Swift picked up 14 nominations; including Top Artist, Top Social Artist and Top Streaming Artist, while Smith's 13 entries include Top Male Artist and Top New Artist. 

Close behind them are Iggy Azalea with 12 nods, while Meghan Trainor totals nine nominations. 

Billboard Music Awards finalists are based on album and digital song sales, radio airplay, streaming, touring and social-media interactions between March 10, 2014, and March 8, 2015.

Fans will choose who gets the Billboard chart achievement award by voting on Billboard.com, BillboardMusicAwards.com and on Twitter.

The Billboard Music Awards airs live from the MGM Grand Garden Arena in Las Vegas on Sunday, May 17, from 8-11pm ET on ABC.

Last year's ceremony included performances from Katy Perry, John Legend, Jennifer Lopez and a hologram of Michael Jackson singing Slave To The Rhythm.

The full nominations list appears below: 

See the full list of finalists below:

TOP ARTIST
Ariana Grande
One Direction
Katy Perry
Sam Smith
Taylor Swift

TOP NEW ARTIST
5 Seconds of Summer
Iggy Azalea
Hozier
Sam Smith
Meghan Trainor

TOP MALE ARTIST
Drake
Pharrell Williams
Ed Sheeran
Sam Smith
Justin Timberlake

TOP FEMALE ARTIST
Iggy Azalea
Ariana Grande
Katy Perry
Taylor Swift
Meghan Trainor

TOP DUO/GROUP
5 Seconds of Summer
Florida Georgia Line
MAGIC!
Maroon 5
One Direction

TOP BILLBOARD 200 ARTIST
One Direction
Pentatonix
Ed Sheeran
Sam Smith
Taylor Swift

TOP HOT 100 ARTIST
Iggy Azalea
Ariana Grande
Sam Smith
Taylor Swift
Meghan Trainor

TOP DIGITAL SONGS ARTIST
Iggy Azalea
Ed Sheeran
Sam Smith
Taylor Swift
Meghan Trainor

TOP RADIO SONGS ARTIST
John Legend
Maroon 5
Ed Sheeran
Sam Smith
Taylor Swift

TOP TOURING ARTIST
Lady Gaga
One Direction
Katy Perry
The Rolling Stones
Justin Timberlake

TOP SOCIAL ARTIST
Justin Bieber
Miley Cyrus
Selena Gomez
Ariana Grande
Taylor Swift

TOP STREAMING ARTIST
Iggy Azalea
Ariana Grande
Nicki Minaj
Taylor Swift
Meghan Trainor

TOP R&B ARTIST
Beyoncé
Chris Brown
John Legend
Trey Songz
Pharrell Williams

TOP RAP ARTIST
Iggy Azalea
J. Cole
Drake
Nicki Minaj
Rae Sremmurd

TOP COUNTRY ARTIST
Jason Aldean
Luke Bryan
Florida Georgia Line
Brantley Gilbert
Blake Shelton

TOP ROCK ARTIST
Bastille
Coldplay
Fall Out Boy
Hozier
Lorde

TOP LATIN ARTIST
J Balvin
Juan Gabriel
Enrique Iglesias
Prince Royce
Romeo Santos

TOP DANCE/ELECTRONIC ARTIST
Avicii
Clean Bandit
Disclosure
Calvin Harris
Lindsey Stirling

TOP CHRISTIAN ARTIST
Casting Crowns
Hillsong United
Lecrae
MercyMe
Newsboys

TOP BILLBOARD 200 ALBUM
Maroon 5, V
Pentatonix, That's Christmas to Me
Ed Sheeran, x
Sam Smith, In the Lonely Hour
Taylor Swift, 1989

TOP SOUNDTRACK
The Fault in Our Stars
Fifty Shades of Grey
Frozen
Guardians of the Galaxy: Awesome Mix: Vol. 1
Into the Woods

TOP R&B ALBUM
Beyoncé, Beyoncé
Chris Brown, X
Michael Jackson, Xscape
John Legend, Love in the Future
Pharrell Williams, G I R L

TOP RAP ALBUM
J. Cole, 2014 Forest Hills Drive
Drake, If You're Reading This It's Too Late
Nicki Minaj, The Pinkprint
Iggy Azalea, The New Classic
Eminem, The Marshall Mathers LP 2

TOP COUNTRY ALBUM
Jason Aldean, Old Boots, New Dirt
Garth Brooks, Man Against Machine
Luke Bryan, Crash My Party
Brantley Gilbert, Just As I Am
Miranda Lambert, Platinum

TOP ROCK ALBUM
AC/DC, Rock or Bust
The Black Keys, Turn Blue
Coldplay, Ghost Stories
Hozier, Hozier
Lorde, Pure Heroine

TOP LATIN ALBUM
Juan Gabriel, Los Dúo
Enrique Iglesias, Sex and Love
Romeo Santos, Formula: Vol. 2
Santana, Corazon
Marc Anthony, 3.0

TOP DANCE/ELECTRONIC ALBUM
Avicii, True
Disclosure, Settle
Calvin Harris, Motion
Skrillex, Recess
Lindsey Stirling, Shatter Me

TOP CHRISTIAN ALBUM
Lecrae, Anomaly
Casting Crowns, Thrive
MercyMe, Welcome to the New
NEEDTOBREATHE, Rivers in the Wasteland
Chris Tomlin, Love Ran Red

TOP HOT 100 SONG
Iggy Azalea feat. Charli XCX, "Fancy"
John Legend, "All of Me"
Sam Smith, "Stay With Me"
Taylor Swift, "Shake It Off"
Meghan Trainor, "All About That Bass"

TOP DIGITAL SONG
Mark Ronson feat. Bruno Mars, "Uptown Funk!"
Sam Smith, "Stay With Me"
Taylor Swift, "Shake It Off"
Meghan Trainor, "All About That Bass"
Pharrell Williams, "Happy

TOP RADIO SONG
John Legend, "All of Me"
MAGIC!, "Rude"
Nico & Vinz, "Am I Wrong"
Sam Smith, "Stay With Me"
Pharrell Williams, "Happy

TOP STREAMING SONG (AUDIO)
Iggy Azalea feat. Charli XCX, "Fancy"
Hozier, "Take Me to Church"
John Legend, "All of Me"
Sam Smith, "Stay With Me"
Tove Lo, "Habits (Stay High)"

TOP STREAMING SONG (VIDEO)
Idina Menzel, "Let It Go"
Bobby Shmurda, "Hot Boy"
Taylor Swift, "Blank Space"
Taylor Swift, "Shake It Off"
Meghan Trainor, "All About That Bass"

TOP R&B SONG
Chris Brown feat. Lil Wayne, French Montana, Too $hort & Tyga, "Loyal"
Jason Derulo feat. 2 Chainz, "Talk Dirty"
Jeremih feat. YG, "Don't Tell 'Em"
John Legend, "All of Me"
Pharrell Williams, "Happy"

TOP RAP SONG
Iggy Azalea feat. Charli XCX, "Fancy"
Iggy Azalea feat. Rita Ora, "Black Widow"
Big Sean feat. E-40, "I Don't F--- With You"
Nicki Minaj, "Anaconda"
Bobby Shmurda, "Hot Boy"

TOP COUNTRY SONG
Jason Aldean, "Burnin' It Down"
Luke Bryan, "Play It Again"
Sam Hunt, "Leave the Night On"
Florida Georgia Line feat. Luke Bryan, "This Is How We Roll"
Florida Georgia Line, "Dirt"

TOP ROCK SONG
Bastille, "Pompeii"
Coldplay, "A Sky Full of Stars"
Fall Out Boy, "Centuries"
Hozier, "Take Me to Church"
Paramore, "Ain't It Fun"

TOP LATIN SONG
J Balvin feat. Farruko, "6 AM"
Enrique Iglesias feat. Descemer Bueno & Gente de Zona, "Bailando"
Romeo Santos, "Eres Mía"
Romeo Santos feat. Drake, "Odio"
Romeo Santos, "Propuesta Indecente"

TOP DANCE/ELECTRONIC SONG
Clean Bandit feat. Jess Glynne, "Rather Be"
Disclosure feat. Sam Smith, "Latch"
DJ Snake & Lil Jon, "Turn Down For What"
Ariana Grande feat. Zedd, "Break Free"
Calvin Harris, "Summer"

TOP CHRISTIAN SONG
Francesca Battistelli, "He Knows My Name"
Hillsong United, "Oceans (Where Feet May Fail)"
MercyMe, "Greater"
Newsboys, "We Believe"
Carrie Underwood, "Something in the Water"

BILLBOARD CHART ACHIEVEMENT AWARD PRESENTED BY SAMSUNG GALAXY (FAN-VOTED)
Iggy Azalea
Taylor Swift
Meghan Trainor