Camila wore

Dress:  Gomez-Gracia

Jewelry:  Swarovski

She was styled by Caley Lawson.

Rebecca wore:
Dress: Mandalay
Shoes: BCBG Max Azria
Clutch: Swarovski
She was styled by Rudy Rocha.

Jordin wore:
Dress: DVF
Shoes: BCBG
Jewelry: H.Stern earrings, Swarovski ring
She was styled by Kemal + Karla.

(On left, pictured with Samaire Armstrong)
Kendra wore:
Dress: Jane Booke
Jewelry: Loree Rodkin
Shoes: Nicholas Kirkwood
Clutch: Swarovski
She was styled by Christian Classen.

Jane Adams wore:

Dress:  Marc Bouwer

Shoes:  Jimmy Choo

Clutch:  Swarovski

Jewelry:  Neil Lane

She was styled by Jessica Paster.

Rose Byrne wore:

Dress:  Valentino

Shoes:  Miu Miu

Jewelry:  Bulgari

Clutch:  Swarovski

She was styled by Penny Lovell.

Anna Kendrick wore:

Dress:  Talbot Runhoff

Shoes:  Miu Miu

Clutch:  Swarovski

Jewelry:  Neil Lane, platinum & black diamond earrings and ring.

She was styled by Jodi Leesley.

Justine Wachsberger wore:

Dress:  Issa

Shoes:  Rene Caovilla

Clutch:  Swarovski

Jewlery:  Neil Lane, platinum & diamond "ball" drop earrings, platinum & peridot ring and bracelet.

She was styled by Melis Kuris.

Carrie Underwood co-hosted the show and had several looks.  She was styled by Trish Townsend.

For the red carpet she wore:

Dress:  Theia

Clutch:  Daniel Swarovski

Shoes:  Rene Caovilla

Jewelry:  Johnathon Arndt

On stage she wore:

Dress:  Nicole Miller

Shoes:  Stuart Weitzman

Jewelry:  Johnathon Arndt.

For her performance she wore:

Shorts:  Arden B.

Corset:  custom from Roberto de Villacis

Shoes:  Lestilla

Jewelry:  Swarovski

Click through for complete outfit breakdowns

Taylor Swift wore:

Dress:  Carmen Marc Valvo

Shoes:  Christian Louboutin

Clutch:  Daniel Swarovski

Earrings:  Everlon, diamond knot hoops

She was styled by Joseph Cassell.

Selena Gomez wore:

Dress:  Twenty Cluny

Shoes:  Stuart Weitzman

Jewelry:  Swarovski

Clutch:  Swarovski

She was styled by Basia Richard.

Catherine Zeta-Jones wore:

Dress:  Gustavo Cadile

Earrings:  Swarovski

She was styled by Nicole Chavez.

Anna Kendrick wore:

Dress:  Catherine Malandrino

Shoes:  Christian Louboutin

Jewlery:  Neil Lane, platinum, matching diamond and pink tourmaline earrings and cocktail ring

Clutch:  Swarovski

She was styled by Jodi Leesley.

Kelly Osbourne wore:

Dress:  D&G, plum satin cocktail dress

Shoes:  Dior

Jewelry:  Neil Lane and Swarovski

Clutch:  Swarovski.

Radha Mitchell wore

Dress:  Costume National

Shoes:  Casadei

Jewelry:  Daniel Swarovski

Styled by Cameron Silver.

Kim Kardashian wore a dress from Ina Soltani with Gucci shoes.  Her clutch was Swarovski.  Earrings were from 14 Karats and ring was from Siera.  She was styled by Monica Rose.

Kristen Cavallari wore a vintage minidress with black YSL pumps.  Her clutch (not pictured) was Swarovski.  Gunmetal and diamond earrings were from Sutra.  She was styled by Taylor Bass.

Selena Gomez was styled by Baisa Richard in a dress from Marchesa's holiday 2010 collection. Her shoes were Stuart Weitzman and clutch was Sergio Rossi.  Her ring was from Swarovski, and earrings were from Sutra.

Carla Gugino wore a dress from Jenny Packham with Sergio Rossi shoes.  Her ring was from Neil Lane.  She carried a clutch from Swarovski.  She was styled by Jessica Paster.

PHOTO COURTESEY OF ELEVATION PHOTOS.

Emma Roberts wore a dress from Monique Lhuillier with Brian Atwood's "Electra" booties from his F/W09 collection.  Her clutch was from Swarovski.  She was styled by Maude.

Demi Lovato wore a dress from Ina Soltani with shoes from YSL.  Her bracelets were from Swarovski and her diamond ring and hoop earrings were from Rosalina Jewelry.  She was styled by Michelle Tomaszewski.

Jordana Brewster wore an Herve Leger dress with Jimmy Choos.  Her jewelry was from Loree Rodkin.  She carried a clutch from Swarovski.

She was styled by Jessica Paster.

Diane Kruger wore a modified Jason Wu dress from his Fall 09 collection. Her clutch is Roger Vivier's "Prisme" clutch and heels are also Vivier.  She is styled by Samantha McMillen.

Kirsten Dunst wore a dress from Womenswear Designers of the year Rodarte.  Shoes are from Nicholas Kirkwood.  Her silver clutch was from Ferragamo.  She is styled by Nina and Claire Hallworth.

Kerry Washington wore a gown from Doo.Ri with the Jimmy Choo "Glnys" platform.  Her jewelry was from Movado (she's their current spokesperson).  She carried a clutch from Swarovski.  She is styled by Mariel Haenn & Rob Zangardi.

Hilary Rhoda wore a cutstom dress from Calvin Klein Collection and carried a VBH python clutch.  Here jewels were also from VBH designer Bruce Hoesksema- earrings were 50 carat pear-shaped kunzites surrounded by 23 carat ice diamonds, and rings were 3 carat black diamonds.  She is styled by Mary Alice Stephenson.

Lake Bell wore a bold Louis Vuitton ensemble.  The dress and shoes were from the F/W 09 collection, and her clutch was the "Monogram Brocade" bag.

Ashley Olsen wore a vintage embellished gown.

Claire Danes wore a Narcisco Rodriguez embroidered black silk crepe gown.  Her clutch is Tod's "Upper Clutch Mini" in black leather.  Her jewels are from Tiffany & Co. - diamond & platinum S-row earrings, diamond & platinum bracelet, platinum & diamond rose-cute bracelet.

Heidi Klum wore a dress from her Project Runway co-host Michael Kors.  She wore white-gold mesh & diamond earrings, and a black and white diamond dome ring from Lorraine Schwartz.  Claudia Schiffer may not know who she is, but she seems OK with that!

Blake Lively also opted for Kors - a bright pink summery style she paired with nude Louboutins.  Jewels were Lorraine Schwartz blackened gold and diamond hoops, a black jade and diamond ring and a blackened gold diamond mesh ring.

Zoe Saldana wore Calvin Klein Collection.  Gold & diamond cuff, gold & diamond earrings and her ring were from Neil Lane.  She is styled by Petra Flannery.

Maggie Grace wore a dress from Christian Siriano with Brian Atwood shoes.  Her diamond and platinum stud earrings, bracelet and ring were from Neil Lane.  Styled by Kelly Williams and Jessica Loria.

Tracey Ullman wore a dress from Doo.Ri and Christian Louboutin shoes.  Her clutch was from Anya Hindmarch.  Jewelry was from Fred Leighton.  She was styled by Annabel Tollman.

Melissa George wore a Nicole Miller embellished strapless gown.  (Photo is from afterparty @ The Highline.)

Michelle Trachtenberg wore a cocktail dress from Behnaz Sarafpour and jewelry from Tiffany & Co. She wore a diamond & platinum cluster necklace, pear-cut diamond and platinum braclet and deco diamond and platinum bracelet.  Her ring was an oval sapphire and diamond.  Her shoes were Louboutins.  She did not work with a stylist for this event.

Molly Sims wore the Dolce & Gabbana Marilyn Monroe print cocktail dress.

Padma Lakshmi wore a J. Mendel blush, asymmetrical pintucked dress.  Her jewelry was from her new line, Padma by Padma Lakshmi - gold and diamond briolette hoops, gold and diamond briolette adjustable cluster rings, and a gold and diamond long neckalce.

Mamie Gummer (who is the spokesperson for the wonderful Gerard Darel bags in France) wore a dress from Peter Som and bracelets from Erickson Beamon. 

Model Doutzen Kroes wore Zac Posen.

Whitney Port wore a Luca Luca gown with a pair of Manolos underneath!  Her jewelry was from Kwiat.

Her co-star and "social" Olivia Palermo wore a blush strapless dress with a beaded accent from David Meister.  She carried a vintage clutch and wore shoes from TopShop.  Her jewelry was from Alexis Bittar.  She did not work with a stylist.

Model Lydia Hearst wore a dress from Marc Bouwer.

Model Anja Rubik wore a white, jersey asymmetrical gown from KAUFMANFRANCO.

Harper's Bazaar's newest intern, Tallulah Willis, was also wearing Calvin Klein Collection.

Emily Deschanel wore a gown from Gustavo Cadile accessorized with a 3.1 Phillip Lim black belt.  Her shoes were from Stella McCartney.  Rhinestone cuff bracelet was from House of Lavande and earrings were from Swarovski.  She was styled by Penny Lovell.

Kate Walsh wore a Missoni dress with a pair of Louboutins and a vintage Chanel cuff.  She was styled by Lia Davis.

Kim Kardashian wore a Ports 1961 by Tia Cibani gown to the closing ceremony of the fest.

Click through for more ...

Model Hilary Rhoda, who is currently the face of Estee Lauder, sparkled in a champagne color dress from Jacques Fath paired with strappy "Verity" sandals from Jimmy Choo.  She carried a VBH Italian clutch in brushed python graphite. Earrings, bracelet and rings from Erickson Beamon.  She is styled by Mary Alice Stephenson.

Kate Walsh wore a Hugo Boss dress with Brian Atwood shoes.  Her clutch was the "Kara" from Jimmy Choo and jewelry from Broken English.  She is styled by Lia Davis.

Queen Latifah wore a gown from Georges Chakra with Jimmy Choos.  She carried a Daniel Swarovski clutch and her diamonds were from Lorraine Schwartz.  She was styled by Timothy Snell.  Her hair was styled by Iasia Meerryiweather and her makeup was by Sam Fine.  Queen Latifah is a spokesmodel for Cover Girl cosmetics.

Mary J. Blige wore a Roberto Cavalli dress with Louboutin shoes. She carried a Cole Haan bag.  Her jewelry was from Lorraine Schwartz.