Grammy Awards 2012: Red Carpet

Rap Performance, Rap Album, New Artist and more Grammy nominee Nicki Minaj.

Nicki Minaj in a ruby Atelier Versace ensemble that evoked a nun’s get-up. (Joe Klamar / AFP/Getty Images)

May 31, 2012 1:28 PM PT

Full Coverage: Grammys 2012 | Photos: Winners | Photos: Red Carpet

By Emily Christianson, Lily Mihalik and Jevon Phillips

For the Record: Deadmau5 was earlier identified in this photo as Danger Mouse.

Multiple-award nominee, including as a producer in the remixed recording, non-classical category and dance album, Deadmau5. (Kirk McKoy / Los Angeles Times)

New artist nominee the Band Perry. (Kirk McKoy / Los Angeles Times)

Adele, dressed in a custom Giorgio Armani gown, is a multiple-award nominee, including song, album and artist. (Kirk McKoy / Los Angeles Times)

Record of the year and solo performance nominee Katy Perry. (Kirk McKoy / Los Angeles Times)

Rihanna’s a multiple-award nominee, including in the pop vocal album category. (Joe Klamar / AFP/Getty Images)

Country solo performance nominee Carrie Underwood. (Kirk McKoy / Los Angeles Times)

Country song and country album nominee Taylor Swift. (Larry Busacca / Getty Images)

Rap/sung collaboration nominee Kelly Rowland. (Chris Pizzello / Associated Press)

Actress Malin Ackerman (Jason Merritt / Getty Images)

Grammys host LL Cool J is dapper in black velvet Giorgio Armani. (Kirk McKoy / Los Angeles Times)

The Black Eyed Peas’ Fergie, whose song with Kanye West, Rihanna and Kid Cudi -- “All of the Lights” -- is up for song of the year. (Kirk McKoy / Los Angeles Times)

Nominee Bruno Mars (Kirk McKoy / Los Angeles Times)

Multiple-award nominee Alison Krauss, center, and the band Union Station, up for bluegrass album for “Paper Airplane.” (Chris Pizzello / Associated Press)

Country song nominee Vince Gill. (Jason Merritt / Getty Images)

Pop instrumental album nominee Booker T. Jones. (Jason Merritt / Getty Images)

Gospel artist Kirk Franklin, whose “Hello Fear” is nominated in the gospel song and album categories. (Chris Pizzello / Associated Press)

“Jersey Shore’s” Nicole ‘Snooki’ Polizzi. (Larry Busacca / Getty Images)

Multiple-show host Mario Lopez. (Chris Pizzello / Associated Press)

Record of the year nominees Mumford & Sons. (Chris Pizzello / Associated Press)

Canadian R&B artist Melanie Fiona, nominated for traditional R&B performance with Cee Lo Green for their song “Fool for You.” (Kirk McKoy / Los Angeles Times)

Linda Ramone, wife of the late Ramones rocker Johnny. (Kirk McKoy / Los Angeles Times)

Singer Rebecca Black of “Friday” fame (Kirk McKoy / Los Angeles Times)

Television personality and Ozzy progeny Kelly Osbourne. (Kirk McKoy / Los Angeles Times)

DJ White Shadow, co-producer of Lady Gaga’s “Born This Way.” (Kirk McKoy / Los Angeles Times)

Reggae album nominee Shaggy. (Larry Busacca / Getty Images)

Gerald Wilson, large jazz ensemble album nominee. (Paul Buck / EPA)

Hard rock/metal performance nominees Sum 41. (Joe Klamar / AFP/Getty Images)

La Vida Boheme, nominees in the Latin pop, rock Or urban album category. (Jason Merritt / Getty Images)

Diana Ross. (Toby Canham / Getty Images)

The Tierney Sutton Band. (Chris Pizzello / Associated Press)

Singer Greta Bech (Kirk McKoy / Los Angeles Times)

Mike Guggino, Woody Platt, Steve Martin, Nicky Sanders, Graham Sharp and Charles Humprey III of Steve Martin and the Steep Canyon Rangers are nominees in the bluegrass album category. (Larry Busacca / Getty Images)