Get excited, music fans, because the 2015 Billboard Music Awards are just a few short hours away. One of the biggest nights in music airs Sunday at 8 p.m. EDT on ABC, and fans won’t want to miss their favorite artists getting showered with praise and awards.

The show will be hosted by Ludacris and Chrissy Teigen live from the MGM Grand Garden Arena in Las Vegas. They’ll be joined throughout the night by performers such as Mariah Carey, Kelly Clarkson, Fall Out Boy, Wiz Khalifa, Nick Jonas, Faith Hill and many more. To help make sure fans know who to root for ahead of the live broadcast, below is a refresher of all the nominees.

It’s worth mentioning that there will be one category voted on by the fans. The Billboard Chart Achievement Award is a virtual three-way dead heat between mega stars Taylor Swift, Iggy Azalea and Meghan Trainor. You can vote for your favorite of the three here.

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
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