The 2012 Billboard Music Awards, set to be held at the MGM Grand Arena in Las Vegas on May 20, have been announced and the finalists are a welcome bunch. Lil Wayne and Rihanna are among the nominees, alongside hip-hop and R&B stars Nicki Minaj and Chris Brown.

Rihanna comes in with 13 nods while Weezy scores recognition in 10 categories. The "Where Have You Been" singer competes with Lady Gaga, Adele, Katy Perry and Wayne for Top Artist. She and Nicki Minaj face-off in the Top Female Artist category, alongside Lady Gaga and Katy Perry.

Brown goes head-to-head with rap star Drake for Top Male Artist, with Justin Bieber, Lil Wayne and Bruno Mars also vying for the win.

Wiz Khalifa, Big Sean and Bad Meets Evil, comprised of Eminem and Royce da 5'9", compete in the Top New Artist Category with several other staples in the pop world.

The ceremony airs live May 20.

Check out some of the nominees below.

Top Artist

Adele

Rihanna

Lady Gaga

Lil Wayne

Katy Perry

Top Male Artist

Justin Bieber

Chris Brown

Drake

Lil Wayne

Bruno Mars

Top Female Artist

Adele

Lady Gaga

Nicki Minaj

Katy Perry

Rihanna

Top New Artist

Bad Meets Evil

Big Sean

Foster the People

Scotty McCreery

Wiz Khalifa

Top Hot 100 Song

"Rolling in the Deep," Adele

"Party Rock Anthem," LMFAO feat. Lauren Bennett and GoonRock

"Moves Like Jagger, "Maroon 5 feat. Christina Aguilera

"E.T." Katy Perry feat. Kanye West

"Give Me Everything," Pitbull feat. Ne-Yo, Afrojack, and Nayer

Top Billboard 200 Album

21, Adele

Christmas, Michael Bublé

Take Care, Drake

Born This Way, Lady Gaga

Tha Carter IV, Lil Wayne

Top Hot 100 Artist

Adele

LMFAO

Bruno Mars

Katy Perry

Rihanna

Top Billboard 200 Artist

Adele

Justin Bieber

Michael Bublé

Lady Gaga

Lil Wayne

See Photos of Rihanna Perform at a Benefit for EIF's Women's Cancer Research Fund

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