Red Carpet Arrivals

"We're all wearing Armani. Grandma's in Armani and Russell's in Armani and I'm in Armani," said nominee Katy Perry of her couture-coordinated family entourage. Perry topped off her 90-year-old grandmother Anne's ensemble with a one-of-a-kind accessory, a crystal-encrusted cane. "I had it bedazzled," Perry said.

Sultry Rihanna played peek-a-boo in a frilled illusion gown from Jean Paul Gaultier. “He's one of my favorite designers,” she said. “I pretty much snatched amp#91;the dressamp#93; off the runway.”

Lady Gaga

instantly made the list of most memorable Grammys outfits ever when she arrived in an embryonic ensemble designed by Hussein Chalayan. "This is Lady Gaga, she's incubating," the singer's creative director, Laurie Ann Gibson, explained to E!'s Ryan Seacrest. "I can't tell you what she's wearing, you'll have to wait for her performance." While her fashion credits were kept a secret, Gaga could be seen using an unusual accessory-a portable oxygen tank.

Ciara

had to hurry to get into her gown from Emilio Pucci's spring collection. "For some reason I timed everything perfectly and then I was rushing," she said of her three-hour prep time. She wore a mix of bangles by both Lorraine Schwartz and Ofira, finishing the look with a pair of white Lorraine Schwartz danglers.

"I'm like a bronze trophy right now," Kim Kardashian said of her beaded Kaufmanfranco gown and Lorraine Schwartz jewels.

Bieber's BFF Selena Gomez chose a winning metallic J. Mendel slipdress: "It's gold and I feel like an award, so that's why I picked it!" Gomez kept her accessories simple, wearing only a cuff and earrings, both by Lorraine Schwartz.

Eva Longoria

prepped with pal Kim Kardashian before the Grammys, and Tweeted pictures of their hair and makeup routine pre-red carpet. The Desperate Housewives actress wore a dress by Ashi Studio with black Brian Atwood pumps. She carried her essentials in a Sergio Rossi box clutch and wore Loree Rodkin chandelier earrings.

Jennifer Lopez

looked dangerously hot in a silver Emilio Pucci mini, a Daniel Swarovski crystal clutch and Cartier diamonds. Her spiked stilettos had husband Marc Anthony joking that playing footsies would be a "bad idea."

Oscar nominee Nicole Kidman joined her Grammy-winning husband Keith Urban on the carpet in a delicately embellished Jean Paul Gaultier design and Fred Leighton jewelry.

Heidi Klum

looked statuesque in a Julien Macdonald gown. "My husband was more impressed with my gold toes!" Klum said of her matching metallic pedicure, which Seal documented with his rose-gold covered smartphone.

"This outfit is a masterpiece by Givenchy," said Nicki Minaj, who is nominated for Best Rap Performance by a Duo or Group for the song "My Chick Bad." "[It's] Lioness meets her cub, meets fierce-osity meets fabulousity meets runway, meets everything, darling."

Glee

girl Lea Michele flashed a spectacular leg in an up-to-there ruffled gown from Emilio Pucci. She added a pop of color with her Lorraine Schwartz cuff, which was decked out with 200 carats of black diamonds, sapphires, rubies and emeralds.

"I can't even sleep at night because I can't wait to see what I'm going to wear the next day," the super-sleek Jennifer Hudson said of dressing her new shape. For the big night, she accented her asymmetrical Versace gown with Neil Lane gems and Louboutin sandals.

"This is Malandrino," said Julianne Hough, showing off her brightly-hued gown, which she paired with a Jimmy Choo clutch and Bochic jewels. "I just got back from Hong Kong so I didn’t have time to find a dress until this morning, so they came in a literally sewed it on me…I haven't really sat down yet, so we shall see what happens!"

Florence Welch

of Florence + the Machine loves couture gowns, and her Grammys look confirmed her high-fashion style-the Best New Artist nominee chose a Givenchy design with a swan motif. Her Lorraine Schwartz rings perfectly matched her gown's neutral hue.

Nominee Janelle Monae stepped out in a signature sparkling tuxedo with a jacket by Ralph Lauren Collection.

Dianna Agron

revealed her darker side, wearing a strapless black Vivienne Westwood dress with black pumps. The Glee star complemented her look with jewelry by House of Lavande.

"I'm very excited, now I have everyone whipping their hair," said Willow Smith of her hit single "Whip My Hair." The pint-sized Smith, who wore neon shoelaces in her famous coif, was accompanied by proud parents Jada Pinkett-Smith (in Amanda Wakeley) and Will Smith.

"I'm so excited it hurts!" Naya Rivera Tweeted before her strut down the red carpet in a silver printed mini with a long train. The Glee star pinned up her long strands into a faux bob, and accented her look with a Stephen Webster cocktail ring.

"I know they'll be talking about this tomorrow!" Glee'sAmber Riley said of her mixed-metallics dress. "This is Ema Savahl and all this detailing is paint." Amber's avant-garde accessory? "It's actually a necklace that's connected to the shoulder." Riley wore a matching Charles Albert ring.

Glee

cast member Jenna Ushkowitz was wrapped up like a gift in a sheer tulle confection topped with Vhernier gems.

The multi-talented Miley Cyrus weighed down her animal-print Roberto Cavalli gown with some major carats by Ofira: "These are my favorite jewels, I'm very heavy."

Up for four awards, country star Miranda Lambert shimmered in a single-shoulder lame gown from the Edition by George Chakra collection.

Natasha Bedingfield

riffed on silver screen glam with a blue beaded chiffon gown, Stephen Webster jewels and platinum finger waves.