In the first development of many expected awards-show sweeps this year, Adele  led the nominations of the 39th annual American Music Awards, which were announced in Los Angeles on Tuesday (Oct. 11).
The singer-songwriter -- whose sophomore album, "21," is the biggest-selling album of the year -- was nominated for artist of the year, favorite female artist, favorite album and favorite adult contemporary artist. Adele will compete against Lil Wayne , Taylor Swift , Katy Perry  and Lady Gaga  for artist of the year.
Swift, Gaga, Lil Wayne, Perry, Rihanna  and the Band Perry  scored three nominations apiece. Pitbull  and Nicki Minaj , who announced the nominations together this morning, each earned two nods, as did Beyonce , Bruno Mars , Chris Brown , LMFAO , Kanye West  and Jason Aldean .
Perry and Pitbull are the first confirmed performers at the AMAs, which will be held Nov. 20 at the Nokia Theatre in L.A. and air live on ABC.
Here are the full nominees for the American Music Awards:
Artist of the Year
Pop or Rock Music: Favorite Female Artist
Pop or Rock Music: Favorite Male Artist
Pop or Rock Music: Favorite Band, Duo or Group
Pop or Rock Album
Adele - 21
Rihanna - Loud
Lady Gaga - Born This Way
Rap/Hip-Hop Music: Favorite Artist
Lil Wayne - Tha Carter IV
The Throne - Watch the Throne
Nicki Minaj - Pink Friday
Soul/R&B Music: Favorite Male Artist
Soul/R&B Music: Favorite Female Artist
Chris Brown - F.A.M.E.
Rihanna - Loud
Beyoncé - 4
Alternative Rock Music: Favorite Artist
Mumford & Sons
Adult Contemporary Music: Favorite Artist
Latin Music: Favorite Artist
Country Music: Favorite Female Artist
Country Music: Favorite Male Artist
Country Music: Favorite Band, Duo or Group
Zac Brown Band
The Band Perry
Country Music: Favorite Album
Jason Aldean - My Kinda Party
Taylor Swift - Speak Now
The Band Perry - The Band Perry