Red Carpet Arrivals

Her Gaga-ness made an appropriately grand entrance in a custom Armani Prive creation. "I am honored to be wearing Armani this evening," Lady Gaga said in a statement. "The series of pieces Mr. Armani created for me are truly iconic; they represent not only beautiful fashion, but my spirit and essence as an artist." She wore her ethereal red-carpet gown over a crystal-encrusted sheer bodysuit.

Rihanna

flattered her lightened locks with a white gown from Elie Saab. The sweeping design was embellished with stones, feathers and chiffon applique. She accessorized with Neil Lane stud earrings and rings from Yvel Jewelry and Diamond in the Rough.

Taylor Swift, who is nominated for eight Grammys, gushed about decorating her new home in a slinky, off-the-shoulder dress designed by Kaufman Franco. "It's going great. I'm still in the process of gutting the place-so there's that! It's very dusty in there," she said. Luckily her glittery, sapphire dress didn't look one bit less radiant.

The ever-busy Fergie joined her fellow Black Eyed Peas at the show in a cobalt Emilio Pucci dress with a single metallic strap, accessorized with a diamond and gold cuff Kwiat cuff bracelet. She finished the look with snakeskin sandals and a crystal minaudiere.

The solo star sparkled in a formfitting blush satin gown from Stephane Rolland. Beyonce amped up the dramatic design with oversize gold earrings, gold nail polish and streaks of hair glitter.

Double Grammy nominee Pink wore a floor-length ombre dress by Tony Ward Haute Couture that faded from light gray to black in delicate scalloped layers. She added over 2.5 million dollars worth of Neil Lane jewels, including a diamond starburst hair pin, and a Judith Leiber clutch.

Best Female Country Vocal Performance nominee Carrie Underwood wowed us in an Edition by Georges Chakra one-shoulder white gown that managed to be both ethereal and geometric in one fell swoop. She topped off the look with a wristful of Ippolita bangles.

Heidi Klum chose a plunging Emilio Pucci V-neck dress with swirls of bronze and gold sequins. She topped off her mod look with strappy metallic sandals and an oversize butterfly ring.

Every inch the diva, Jennifer Lopez took to the stage in a metal mesh Versace dress. She finished the look with a pair of glittering Lorraine Schwartz cuffs.

Newly engaged Katy Perry looked exotic in a nude, floor-skimming, flower-embellished Zac Posen dress. "I have this whole India thing going on because we came back from India a few weeks ago," she said, showing off her Judith Leiber jeweled elephant clutch.

Glee

beauty Lea Michele made her Grammys debut in a navy minidress with a shredded chiffon skirt from Romona Keveza. She admitted that the single-shoulder design was her second dress of the evening, citing a "wardrobe malfunction" with a too-sheer white dress. "You could see through the entire thing."

Mary J. Blige

showed off her shape in a peek-a-boo Gucci gown. She accessorized with a Gucci clutch and Lorraine Schwartz diamond jewelry.

Sugarland's Jennifer Nettles looked polished in a crimson and black cut-out dress by Victoria Beckham Collection. The 2009 Grammy winner accented her tailored look with shiny Kimberly McDonald bracelets and a wavy, chin-length bob.

Singer Ciara wore a fresh-from-the-runway haute couture design from Givenchy that included a bejeweled bolero layered over a lace jumpsuit. She accessorized with Cartier jewelry.

Miley Cyrus

rocked a little tie-dye dress with fishnet insets from Herve Leger by Max Azria and accessorized with Lorraine Schwartz jewels and a Judith Leiber clutch. The Hannah Montana star chose the look herself: "I was the only one who voted for this dress. All my friends and family wanted me to wear something sparkly." The Miley-approved design will be sold on eBay to benefit the Red Cross's efforts in Haiti. "It's important to keep everyone involved," said the star. "People are going to need help years from now. We need everyone to come together."

According to Oscar and Grammy winner Jennifer Hudson, black is back. She paired her futuristic Victoria Beckham Collection ensemble with black tights, lucite bangles, and extra-high platform stilettos.

The When in Rome star stood tall in a black Etro gown with a bronze leather and gray suede halter. Kristen Bell accessorized the dramatic design with a chunky cocktail ring.

Accompanying her husband, Keith Urban, Nicole Kidman looked flawlessly statuesque in a bejeweled halter gown from Prada.

Best New Artist nominee Keri Hilson knocked down her first Grammy's red carpet in a formfitting Dolce & Gabbana mermaid dress topped off with a wide crystal-studded belt and Neil Lane diamond stud earrings. We love the mix of understated nude satin and accordion-folded netting.

The double nominee chose a seductively sheer bronze Nicolas Jebran gown with a leg-baring chiffon skirt. Colbie Caillat, who won Best Pop Collaboration with Vocals for her duet of "Lucky" with Jason Mraz, complemented the sparkling creation with cognac diamond drop earrings from Martin Katz.

Rocker chick Malin Akerman (she's the lead singer of The Petal Stones) played her role perfectly in a silver minidress and over-the-need black leather boots.

The up-and-comer kept her edge in a chain-fringed minidress and chunky sandals. Ke$ha further personalized the look with feathers in hair and a gold nose ring.

Singer Mya went head-to-toe silver in a glamorous sequin gown and matching accessories.

Ashanti

showed off her legs in an asymmetrical Tony Ward Couture design with a long train. The singer accented the gown's lavish embellishment with bejeweled Giuseppe Zanotti sandals and shoulder-dusting earrings.