Rihanna gets a custom Giorgio Armani gown, a Jimmy Choo clutch and Neil Lane jewels for her Grammy outfit.
Adele, wearing a black Armani dress, takes the Grammy red carpet in anticipation of her first performance since undergoing surgery on a recurrent vocal cord hemorrhage in November.
With a faux papal escort beside her, Nicki Minaj's dramatic Grammy entrance is partially shielded by her Red Riding Hood Versace cape.
The 2011 best new artist, Esperanza Spalding makes a triumphant Grammy return after her win prompted death threats from Justin Bieber fans.
Adam Levine and Anne V
Tom-Ford-wearing performer Adam Levine welcomes girlfriend Anne Vyalitsyna onto the Grammy red carpet -- which she walked in slit black dress.
Nominee Katy Perry chooses a dramatic Elie Saab gown, accenting her current blue hair.
Before changing into a floral sack for her Hoover-ville-themed Grammy performance, Taylor Swift wears a nude silk mermaid gown by Zuhair Murad.
Wearing Tony Ward, and still sporting her steely new hair color, Kelly Osbourne reports from the Grammy red carpet for E! Network's fashion coverage.
On-hand to introduce Adele's anticipated performance, Gwyneth Paltrow wears Stella McCartney with a Delfina Delettrez ring.
Jane Seymour's gold sequined one shoulder evening gown comes from David Meister.
On a carpet filled with weird fashion entries, the winner may have been Russian singer Sasha Gradiva, who paired her pink gown with an arm covered in gun facsimiles.
Wearing a floor-length white Gomez-Garcia gown, Best Country Solo Performance nominee Carrie Underwood arrives ahead of her Grammy duet with Tony Bennett.
Destiny's Child alum Kelly Rowland, doing the rounds on the red carpet, wears Alberta Ferretti.
It's not about the sequins (sequins) for Jessie J, with the singer's highly reflective Julien Macdonald gown looking a lot like a disco ball.
Country singer, former Dancing With the Stars pro and actress in the upcoming Rock of Ages adaptation Julianne Hough wears a Kaufman Franco bugle spike gown on the red carpet.
Caleb Followill and Lily Aldridge
Caleb Followill, in a Gucci two button notch lapel brown Signoria suit with burgundy and white striped shirt and burgundy silk bowtie, attends with wife and model Lily Aldridge, wearing a Gucci pre-Fall 2012 indigo and black silk chiffon long sleeve floral gown.
Eternally channeling Buddy Holly, multi-nominee Bruno Mars arrives in a three-piece gray suit.
Actress Kate Beckinsale is one of many to choose Zuhair Murad on Grammy night, wearing a mini dress from the Lebanese designer.
Two-time Grammy winner Cyndi Lauper got choked up talking about Whitney Houston on the Grammy red carpet.
Corinne Bailey Rae
British vocalist Corinne Bailey Rae says she just recently became a fan of her dress' designer, Project Runway winner Christian Siriano.
Neil Patrick Harris, David Burtka
Presenter Neil Patrick Harris and his partner, newly-minted E! News correspondent David Burtka, hit the Grammys in complementary tuxedos.
Wiz Khalifa, Amber Rose
Arriving on the arm of rapper Wiz Khalifa, model Amber Rose wears a bright yellow Versace dress.
The Band Perry
Band Perry frontwoman Kimberly Perry takes center stage a black Moschino gown on the Grammy red carpet.
Tony Bennett, 85 and going strong, arrives at the Grammys for his duet with Carrie Underwood.
E! News correspondent Giuliana Rancic wears a belted little black dress and Jimmy Choo shoes for her red carpet coverage.
Reality star Paris Hilton wears a white Basil Soda dress with a gold belt and embroidery to the Grammy red carpet.
Extra anchor Mario Lopez goes for a more casual approach for his red carpet coverage, skipping a tie in favor of an unbuttoned shirt.
Jersey Shore star Nicole Elizabeth "Snooki" Polizzi attends the Grammys in a black and white Bebe dress.
Multi-hyphenate Steve Martin, comedian and banjo player, hits the Grammys as a nominee for his latest bluegrass album.
Mumford & Sons
Nominated for material from their debut album for a second year in a row, Brit folk rockers Mumford & Sons arrive in a variety of wools.
French DJ David Guetta, who's collaborated with plenty of the night's performers and nominees, wears a bedazzled blazer to the Grammys.
Grammy icon Bonnie Raitt arrives to honor another legend, she's set to perform an Etta James tribute with Alicia Keys.
LL Cool J
The night's host, LL Cool J, chose a sharp Giorgio Armani tuxedo, which he pairs on the red carpet with a big smile.
OneRepublic frontman Ryan Tedder sports a bold, sheer top, jeans and tan boots as his Grammy garb.
Happy to be nominated and performing, the Foo Fighters hold hands on the Grammy carpet in their loosely coordinated black ensembles.
Grammy performer Alicia Keys wears a subdued Alexandre Vauthier dress with Christian Louboutin heels for her Etta James tribute.
Diana Ross arrives at the Grammys in dramatically sleeved creation.
Foster The People
Foster the People look summery, with two thirds of the band wearing light blazers. (Kicks, pumped up or otherwise, not pictured.)
Dapper Voice judge Blake Shelton arrives at the Grammys in a three-piece suit.
Indian-American actress and musician Janina Gavankar has booked a gig on the upcoming season of HBO's True Blood.
Onhand for the Beach Boys medly, Maroon 5 attends the Grammys, led by frontman and Voice judge Adam Levine in a Tom Ford suit.
John Legend, Chrissy Teigen
John Legend and Chrissy Teigen, who got engaged in December, arrive at the Grammys -- where Legend has won multiple trophies over the years.
Charles Kelley, of nominated Lady Antebellum, wears a Giorgio Armani two-button peak lapel tuxedo jacket with dark jeans and a black and white pin-stripe shirt.
Deadmau5 (Joel Thomas Zimmerman) wears one of his trademark helmets to the Grammys -- and likely upsets those seated behind him.
Not leaving much to the imagination, Black Eyed Peas’ singer Fergie wears a very transparent Jean Paul Gaultier gown, with jewelry by Neil Lane.
Posing seperate from husband Blake Shelton, Miranda Lambert wears a custom nude tulle cap sleeve evening gown by Pavoni with dazzling Tiffany & Co. jewels including $80,000 diamond vine earrings.
Skrillex, the buzzy dubstep DJ, goes into the Grammys already winning three awards during the pre-broadcast kudos.
Wearing a white Cushnie et Ochs sheath, actress Malin Akerman hits the Grammy red carpet ahead of the release of her next movie, Paul Rudd and Jennifer Aniston's Wonderlust.
E! reality star Coco, wearing much more than her Twitter followers are used to seeing, arrives with husband and co-star Ice-T.
Diana Krall, Elvis Costello
Musical couple Diana Krall and Elvis Costello arrive at the Grammys, with a long black gown and a velvet fedora between them.
The four memebers of OK Go clearly couldn't agree on whether or not to wear ties.
Swedish singer Lykki Li, wearing a black suit and slicked hair, is still promoting sophomore album Wounded Rhymes.
Rapper and Hell on Wheels star Common hits the Grammys in a striped t-shirt and blazer.
Nadeea, the French-American pop singer, wears a dramatic ensemble, including a bedazzled bikini top.
Flo Ride, who performed at a Grammy pre-party with American Idol alum Pia Toscano, hits the main event a white tuxedo with a big black bow-tie.
Wearing what many described as a "mullet" dress, Robyn's most notable sartorial effort at the Grammys was her pair of Timberland platforms.
Busta Rhymes hits the Grammys in a black velvet vest.
Kelly Price, who performed alongside Whitney Houston just days before her death, hit the Grammys in fully sequined burgundy gown.
Cuban-American singer and model Mayra Veronica wears a colorful, peacock-inspired gown to the Grammy red carpet.
He's tackled Enron, Eliot Spitzer and Lance Armstrong. Now, the Oscar winner is taking aim at the controversial church (and its lawyers) as he reveals that a private investigator has been asking questions about him: "This Scientology thing — that just takes a huge set to take them on," says Armstrong. "But he has the courage to do it." Read More