LOS ANGELES, Nov. 12 (UPI) -- Pop star Janet Jackson has been booked as the opening act for the upcoming American Music Awards show, organizers said Thursday.

Orly Adelson, president of dick clark productions, said Jackson will kick off the Nov. 22 event at the NOKIA Theatre in Los Angeles by performing a medley of her greatest hits.

She will join previously announced acts, including Whitney Houston, Rihanna, Green Day, Shakira, Lil' Wayne, Mary J. Blige, Keith Urban, Lady Gaga, Eminem, Jay-Z, Alicia Keys, Jennifer Lopez, The Black Eyed Peas, Kelly Clarkson, Carrie Underwood, Daughtry and Adam Lambert.

Additional performers and presenters are expected to be announced in the coming weeks, ABC said.

"We're thrilled about having Janet Jackson open this year's show," American Music Awards producer Larry Klein said in a statement. "She is an incredibly dynamic performer and I think the audience will be excited to see what she has in store."

And the nominees are...

ARTIST OF THE YEAR
Kings of Leon
Taylor Swift
Lady Gaga
Eminem
Michael Jackson

POP/ROCK - Favorite Male Artist
Eminem
Michael Jackson
T.I.

POP/ROCK - Favorite Female Artist
Beyonce
Lady Gaga
Taylor Swift

POP/ROCK - Favorite Band, Duo or Group
The Black Eyed Peas
Kings of Leon
Nickelback

POP/ROCK - Favorite Album
Fame - Lady Gaga
Number Ones - Michael Jackson
Fearless - Taylor Swift

COUNTRY - Favorite Male Artist
Jason Aldean
Darius Rucker
Keith Urban

COUNTRY - Favorite Female Artist
Reba McEntire
Taylor Swift
Carrie Underwood

COUNTRY - Favorite Band, Duo or Group
Rascal Flatts
Sugarland
Zac Brown Band

COUNTRY - Favorite Album
Unstoppable - Rascal Flatts
Fearless - Taylor Swift
Foundation - Zac Brown Band

RAP/HIP-HOP - Favorite Male Artist
Eminem
Jay-Z
T.I.

RAP/HIP-HOP - Favorite Album
Relapse - Eminem
Blueprint 3 - Jay-Z
Paper Trail - T.I.

SOUL/R&B - Favorite Male Artist
Jamie Foxx
Michael Jackson
Maxwell

SOUL/R&B - Favorite Female Artist
Beyonce
Keyshia Cole
Keri Hilson

SOUL/R&B - Favorite Band, Duo or Group
The Black Eyed Peas
Day26
Mary Mary

SOUL/R&B - Favorite Album
I Am...Sasha Fierce - Beyonce
The E.N.D. - The Black Eyed Peas
Number Ones - Michael Jackson

SOUNDTRACKS - Favorite Album
Hannah Montana: The Movie
Hannah Montana 3
Twilight Soundtrack

ALTERNATIVE ROCK - Favorite Artist
Green Day
Kings of Leon
Shinedown

ADULT CONTEMPORARY - Favorite Artist
Daughtry
Jason Mraz
Taylor Swift

LATIN - Favorite Artist
Aventura
Luis Fonsi
Wisin Y Yandel

CONTEMPORARY INSPIRATIONAL - Favorite Artist
Jeremy Camp
Brandon Heath
Mary Mary