Chart-topping artists Iggy Azalea, John Legend, Sam Smith, Nicki Minaj, Pharrell Williams and Drake are among a slew of finalists for the 2015 Billboard Music Awards.

Out of the 40 categories, Smith earns 13 nods, including Top Male Artist and Top Billboard 200 Album (In the Lonely Hour). Azalea follows with 12 mentions, including Top Rap Album (The New Classic). Other finalists include Legend with seven nods, Williams with six mentions, while Minaj and Drizzy racked up four nominations apiece.

The Billboard Music Awards finalists are based on year-round tabulations from album and digital song sales, radio airplay, streaming, touring and social-media interactions.

ABC will air the Billboard Music Awards live from Las Vegas on May 17 at 8PM ET.

For the full list of nominees, visit Billboard. Check out some of the major categories 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 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
Beyonce
Chris Brown
John Legend
Trey Songz
Pharrell Williams

Top Rap Artist
Iggy Azalea
J. Cole
Drake
Nicki Minaj
Rae Sremmurd

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 R&B Album
Beyonce, Beyonce
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 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 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"

Billboard Chart Achievement Award Presented by Samsung Galaxy (Fan-Voted)
Iggy Azalea
Taylor Swift
Meghan Trainor

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