The 'Someone Like You' hitmaker - who recently was forced to cancel her American tour due to illness - will compete in the categories Artist of the Year, Favourite Female Artist, Favourite Adult Contemporary Artist and Favourite Album for '21'.

Lady Gaga, Taylor Swift,  Lil Wayne, Katy Perry and Rihanna received three nominations and Lil Wayne, Taylor, Katy and Gaga will all compete with Adele in the Artist of the Year category.

Beyonce, Bruno Mars, Chris Brown, Jason Aldean, Kanye West and LMFAO have all been nominated in two categories as have Nicki Minaj and Pitbull, who announced the nominees today (11.10.11).

The 39th annual American Music Awards will be held November 20 at the Nokia Theatre in Los Angeles.

Full list of American Music Awards nominations:

Pop or Rock Music: Favourite Female Artist

Katy Perry
Lady Gaga

Pop or Rock Music: Favourite Male Artist

 Justin Bieber
 Bruno Mars

Pop or Rock Music: Favourite Band, Duo or Group
 Maroon 5

Pop or Rock Album
Adele – ‘21’
 Rihanna – ‘Loud’
 Lady Gaga – ‘Born This Way’

Rap/Hip-Hop Music: Favourite Artist

 Lil Wayne
 Nicki Minaj
 Kanye West

Rap/Hip-Hop Album
 Lil Wayne – ‘Tha Carter IV’
 The Throne – ‘Watch the Throne’
 Nicki Minaj – ‘Pink Friday’

Soul/R&B Music: Favourite Male Artist
 Chris Brown
 Trey Songz

Soul/R&B Music: Favourite Female Artist
 Kelly Rowland

Soul/R&B Album

 Chris Brown – ‘F.A.M.E.’
 Rihanna – ‘Loud ‘
 Beyoncé – ‘4’

Alternative Rock Music: Favourite Artist
 Foo Fighters
 Black Keys
 Mumford & Sons

Adult Contemporary Music: Favourite Artist

 Bruno Mars
 Katy Perry

Latin Music: Favourite Artist
 Enrique Iglesias
 Jennifer Lopez

Country Music: Favourite Female Artist
 Sara Evans
 Miranda Lambert
 Taylor Swift

Country Music: Favourite Male Artist

 Jason Aldean
 Brad Paisley
 Blake Shelton

Country Music: Favourite Band, Duo or Group
 Zac Brown Band
 Lady Antebellum
 The Band Perry

Country Music: Favourite Album
 Jason Aldean – ‘My Kinda Party’
 Taylor Swift – ‘Speak Now’
 The Band Perry – ‘The Band Perry’

Artist of the Year
 Lady Gaga
 Katy Perry
 Lil Wayne
 Taylor Swift