Ali Larter wore:

Dress:  Calvin Klein.

Earrings:  Amrapali

Bangles:  LeVian

She did not work with a stylist.

Makeup by Mai Quynh.

Hair by Tracy Cunningham.

Taylor Lautner wore:

Complete look suit from Calvin Klein Collection, Fall 09.

He was styled by Wendi & Nicole.

Jennifer Morrison wore a dress from Calvin Klein Collection with jewels from Cartier.  She was styled by Cristina Ehrlich.

Andy Samberg wore Burberry.

Bryan Cranston wore Burberry.

Chris O'Donnell wore a tux from Giorgio Armani and the shoes were from Cole Haan.  His cufflinks were from Martin Katz.  He was styled Wendi & Nicole.

Desmond Harrington wore Calvin Klein Collection.

Gabriel Byrne wore Calvin Klein Collection.

Hugh Laurie wore Burberry.

Hunter Parrish wore a one-button Dior suit and Marc Jacobs shoes.  He is styled by Chris Horan.

Jack McBrayer wore Calvin Klein Collection.

Jamie Kennedy wore a tux from Reiss and was styled by Dorothy Amos.

Jason Siegel wore John Varvatos.

Jeremy Piven wore Dolce & Gabbana, with shoes from Tom Ford.

Jerry Ferrara wore Hugo Boss.

John Slattery wore Calvin Klein Collection.

Jim Parsons wore Calvin Klein Collection.

Jimmy Fallon wore Tom Ford.

Jon Cryer wore Moschino Uomo.

Justin Timberlake wore William Rast with Dior shoes.  He was styled by Annie Psaltiras.

Kevin Bacon wore John Varvatos.

Kevin Connolly wore D&G.

Kevin Dillon wore Hugo Boss.

Kyle MacLachlan wore Hugo Boss.

Michael J. Fox wore Calvin Klein Collection.

Michael C. Hall wore Calvin Klein Collection.

Neil Patrick Harris wore Dolce & Gabbana.

Omar Epps wore Burberry.

Rainn Wilson wore Burberry.

Rex Lee wore a Brooks Brothers tux and platinum, diamond and sapphire cufflinks and shirt studs from Jacob & Co.

Ryan Seacrest wore Burberry.

Stephen Colbert wore Brooks Brothers.

Stephen Moyer wore Dolce & Gabbana.

Todd Holland wore Hugo Boss.

Tony Shaloub wore Hugo Boss.

Alice Braga wore a silk cowl neck shift dress from Calvin Klein Resort 2010, with a patent box clutch and quilted pumps - all from Calvin Klein Collectin.  Her black onyx and gold ring and drop earrings were from David Yurman.  She did not work with a stylist for this look.

Tina Fey wore a head-to-toe tuxedo look from Calvin Klein to the awards.  She wore a black silk and cashmere jacket and trousers suit, shoes and clutch from the house.  She was styled by Anna Bingemann.

Shalom Harlow wore a Calvin Klein dress from the Fall 09 collection, and she carried a Jimmy Choo "Conti" animal print bag.  Jewelry was from Fenton/Fallon.

Claire Danes wore an ivory silk sheath gown from Zac Pozen with a belt from Pamela Love for Zac Posen.

Hugh Dancey wore a graphite suit and button down shirt from Calvin Klein Collection F09.

Ashley Green wore a black & white ruched cocktail dress from D&G to the Vision Awards in LA.  She carried a Sergio Rossi clutch.  She is styled by Melis Kuris.

Taylor Lautner wore a complete look from Calvin Klein Collection.  He is also styled by Melis.

Zoe Saldana wore a dress from Calvin Klein with Brian Atwood's "Max" shoes.  Her jewelry was from Loree Rodkin.  She was styled by Petra Flannery.

PHOTOS COURTESEY OF ELEVATION PHOTOS.

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.

Anna Paquin appeared at the season premiere of her hit vampire show in blue dress from Yigal Azrouel and Casadei platform pumps.  Her earrings were from Asha by ADM, and clutch from JT Handbags.  She was styled by Daniel Caudill.

Perrey Reeves wore a floor-length summer dress from Michelle Jonas with heels from the Cole Haan/Nike Air collection.  Jewelry was a bracelet from Bochic and earrings from Amrapali. Clutch was from Barney's New York.  She did not work with a stylist.

Valerie Cruz wore a dress from Mason with shoes from Jimmy Choo.  Her clutch was from Kotur.  Jewelry was from Neil Lane - gold and diamond earrings, ring and bangles.  She was styled by Joey Tierney.

Marianna Klaveno wore a Nicole Miller dress accessorized with black pumps and a clutch from Calvin Klein.

Rebecca Mader wore a dress from BCBG.

Why is it so hard to find full-length shots of the guys standing solo?  Usually there is at least one, but for Stephen Moyer, we can only see the top half of his Dolce & Gabbana suit - a charcoal grey two-button, notch-lapel number & shirt.

Eva Mendes wore a Calvin Klein dress and shoes ensemble from Fall 2009.

Molly Sims wore Calvin Klein pre-Fall 09.

Can't find a red carpet pic, but Rachel Zoe also wore Calvin Klein to the event.  Inside she was sitting with Marc Jacobs ... which is fitting because the girls who didn't wear Calvin Klein all seemed to be wearing Marc:

Helena Christensen wore this vibrant Marc Jacobs from his Spring 09 colleciton.

Olivia Palermo also opted for Marc, from the Fall 09 colleciton.

Amanda Setton also wore Marc, from the Fall 09 collection.  She added shoes were from Pour La Victoire.  She is styled by Raphael Mendonca.

Ginnifer Goodwin at the Broadway opening of "Hair" ... wearing a Calvin Klein black silk origami dress from Pre-Fall 09 with a Max Azria belt.  Clutch and shoes were Stella McCartney, and her own vintage earrings.  Ginny was styled by Penny Lovell.

Beyonce was wearing a dress from Jean Paul Gaultier's couture collection.  The dress was black wool crepe with an attached wood necklace. Earrings were blackened platinum, diamond & ruby from Lorraine Schwartz. Beyonce was styled by Ty Hunter.

Gwyneth Paltrow's dress was Calvin Klein Collection, shortened from a pre-Fall 09 gown.  The tuxedo jacket is Balmain, SS 09.  Diamond, pearl and yellow gold necklace was from Chopard, as was her ring.  Shoes are Roger Vivier.

Courteney Cox was wearing a silver dress from L'Wren Scott.

Angie Harmon was wearing a dress from KaufmanFranco.

Rita Wilson wore Lanvin resort dress, shoes & necklace, and carried an Anya Hindmarch clutch.  All from her own closet ...

Sheryl Crow also did not use a stylist for this event, and wore a dress she purchased at Haven, a shop in Franklin, TN!