2015 iHEARTRADIO MUSIC AWARDS - FULL LIST OF NOMINEES

On March 29th, the iHeartRadio Music Awards will honor the hottest ladies and men in the music industry.

Ariana Grande, Iggy Azalea, Luke Bryan, Sam Smith and Taylor Swift lead the list -- all nominated for Artist of the Year.

Here are the nominees:

Artist of the Year:
Ariana Grande
Iggy Azalea
Luke Bryan
Sam Smith
Taylor Swift

Song of the Year:
"All About That  Bass" - Meghan Trainor
"All of Me" - John Legend
"Happy" - Pharrell Williams
"Shake It Off" - Taylor Swift
"Stay With Me" - Sam Smith

Best Collaboration:
"Bang Bang" - Jessie J + Ariana Grande + Nicki Minaj
"Dark Horse" - Katy Perry featuring Juicy J
"Fancy" - Iggy Azalea featuring Charli XCX
"Problem" - Ariana Grande featuring Iggy Azalea
"Talk Dirty" - Jason Derulo featuring 2 Chainz

Best New Artist:
Bastille
Cole Swindell
Iggy Azalea
Meghan Trainor
Sam Smith

Country Song of the Year:
"Bartender" - Lady Antebellum
"Burnin’ It Down" - Jason Aldean
"Dirt" - Florida Georgia Line
"Give Me Back My Hometown" - Eric Church
"Play It Again" - Luke Bryan

Hip Hop/R&B Song of the Year:
"Don’t Tell ‘Em" - Jeremih featuring YG
"Drunk in Love" - Beyoncé featuring Jay Z
"Flawless" - Beyoncé
"Loyal" - Chris Brown featuring Lil Wayne and Tyga
"New Flame" - Chris Brown featuring Usher and Rick Ross

Dance Song of the Year:
"Animals" - Martin Garrix
"Blame" - Calvin Harris featuring John Newman
"La La La" - Naughty Boy featuring Sam Smith
"Summer" - Calvin Harris
"Waves" - Mr. Probz

Alternative Rock Song of the Year:
"Come With Me Now" - KONGOS
"Do I Wanna Know?" - Arctic Monkeys
"Fever" - The Black Keys
"Something From Nothing" - Foo Fighters
"Take Me to Church" - Hozier

Best Lyrics:
"All of Me" - John Legend
"Blank Space" - Taylor Swift
"Counting Stars" - OneRepublic
"Habits (Stay High)" - Tove Lo
"Stay With Me" - Sam Smith
"Thinking Out Loud" - Ed Sheeran

Best Fan Army:
5SOSFAM - 5 Seconds of Summer
Arianators - Ariana Grande
Bey Hive - Beyoncé
Team Breezy - Chris Brown
Sheerios - Ed Sheeran
Church Choir - Eric Church
Directioners - One Direction
Selenators - Selena Gomez
Mendes Army - Shawn Mendes
Swifties - Taylor Swift

Renegade:
Brantley Gilbert
Charli XCX
Hozier
Iggy Azalea
Meghan Trainor