American Music Awards nominations announced!

Demi Lovato and Taio Cruz announced the 2010 American Music Awards nominations today — and Eminem will be battling Lady Antebellum!

Country battles rap this year at the 2010 AMAs, with Eminem and Lady Antebellum tied for the most nominations at five each.

Eminem has been nominated for Artist of the Year, and Favorite Male Artist and Favorite Album in both the Rock/Pop and Rap/Hip-Hop categories.

Lady Antebellum is nominated for Favorite Band, Duo or Group in both the Pop/Rock and Country slots, along with Favorite Adult Contemporary Artist, Breakthrough Artist and Favorite Country Contemporary Album.

Justin Bieber is up next with four nominations, followed closely by Katy Perry, Ke$ha, B.o.B and Usher with three each.

The complete list of nominees:

ARTIST OF THE YEAR

Justin Bieber
Eminem
Ke$ha
Lady Gaga
Katy Perry

BREAKTHROUGH ARTIST

B.o.B
Justin Bieber
Taio Cruz
Jason Derulo
Ke$ha
Lady Antebellum
Travie McCoy
Mike Posner

POP/ROCK

Favorite Male Artist:
Justin Bieber
Eminem
Usher

Favorite Female Artist:
Ke$ha
Lady Gaga
Katy Perry

Favorite Band, Duo or Group:
The Black Eyed Peas
Lady Antebellum
Train

Favorite Album:
Justin Bieber, My World 2.0
Eminem, Recovery
Katy Perry, Teenage Dream

COUNTRY

Favorite Male Artist:
Jason Aldean
Luke Bryan
Brad Paisley

Favorite Female Artist:
Miranda Lambert
Taylor Swift
Carrie Underwood

Favorite Band, Duo or Group:
Zac Brown Band
Lady Antebellum
Rascal Flatts

Favorite Album:
Jason Aldean, Wide Open
Lady Antebellum, Need You Now
Carrie Underwood, Play On

RAP/HIP-HOP

Favorite Male Artist:
B.o.B
Drake
Eminem

Favorite Album:
B.o.B, B.o.B Presents
Drake, Thank Me Later
Eminem, Recovery

SOUL/R&B

Favorite Male Artist:
Chris Brown
Trey Songz
Usher

Favorite Female Artist:
Alicia Keys
Rihanna
Sade

Favorite Album:
Alicia Keys, The Element of Freedom
Sade, Soldier of Love
Usher, Raymond v. Raymond

ALTERNATIVE ROCK

Favorite Artist:
Muse
Phoenix
Vampire Weekend

SOUNDTRACK

Favorite Album:
AC/DC, Iron Man 2
Glee: The Music, Volume 3 Showstoppers
The Twilight Saga: Eclipse

ADULT CONTEMPORARY

Favorite Artist:
Michael Buble
Lady Antebellum
Train

LATIN

Favorite Artist:
Daddy Yankee
Enrique Iglesias
Shakira

CONTEMPORARY INSPIRATIONAL

Favorite Artist:
Casting Crowns
MercyMe
TobyMac

The AMAs will air Sunday, November 21 at 8 p.m. live on ABC.