Rose Byrne wore:

Dress:  Emporio Armani

Shoes:  Brian Atwood

Clutch:  Emporio Armani

Tights:  Wolford

She was styled by Penny Lovell.

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.

Channing Tatum wore an entire look by Giorgio Armani.

He was styled by Wendi & Nicole.

Shenae Grimes wore the Camilla & Marc "Dominique Frock" to the TCA party.  Her shoes were from Armani and she carried a bag from Valentino.  Her jewelry was from Neil Lane.

She was styled by Amanda Reno.

Megan Fox wore an Armani dress with Brian Atwood shoes and a bracelet from Lia Sophia to the convention last week.  She is styled by Deb Waknin.

Tonight on "So You Think You Can Dance" Katie Holmes wore two outfits ...

Her taped routine was a white suit from Armani Prive Couture.

For her live performance she wore sequin shorts from Chanel with her own jacket.

Jeanne Yang styled her for both appearances.

Megan Fox appeared at the Moscow premiere of Transformers in a modified Armani Prive dress with Amrapali gold and rose-cut diamond earrings.  She was styled by Deb Waknin.

Shia LaBeouf wore a black Prada two-button mohair tux & white tuxedo shirt from Prada to the premiere.  He was styled by Wendi + Nicole.

For the photocall, Megan wore a dress from Ports 1961.

Ziyi Zhang wore a Giorgio Armani SS09 gown.

Michelle Yeoh wore another Roberto Cavalli, this time a black sequin gown.  Her shoes are from Versace and clutch is Ferragamo.  Jewlery is Louis Vuitton.  She was styled by CK&K.  Makeup look was from Delphine for L'Oreal Paris and hair was by Terry Millet for L'Oreal Paris.

A pregnant Latetia Casta wore Givenchy Haute Couture, created by Riccardo Tisci in silk crepe dress with embroidered w/geometric black jet stones and matching sandals.

Asia Argento wore an Armani Prive gown from SS09 with shoes from Armani Prive.  Her jewelry was Chopard.  Her stylist is Ludovica Amati.

Shu Qi wore a cobalt blue Roberto Cavalli from pre-Fall 09.

Robin Wright Penn wore a daring dress from Chanel with Jimmy Choos.  Her clutch was from Costume National and diamonds were Louis Vuitton.  She was styled by Cher Coulter.

Angelina Jolie looked stunning in a barely there nude gown from Versace Ateliers, with Versace accessories.  Gown was tea-rose chiffon with draped motif over the bustier. Jewelry is Lorraine Schwartz.  She carried a Ferragamo silk bow clutch from Ferragamo.  Styled by Jen Rade.  Brad Pitt stuck with Tom Ford, wearing a sating peak lapel evening suit from the designer.

Diane Kruger wore a ivory silk chiffon with silver embroidered detail from Marchesa.  She carried a Roger Vivier clutch and wore Chanel Couture Jewelry.

Robin Wright wore a white silk crepe Narciso Rodriguez gown.  Her shoes were Jimmy Choo's "Seduce" sandals.  Her clutch was a Sergio Rossi woven satin compact in silver.  Jewelry was from Cartier.  She is working with stylist Cher Coulter for the fest.

Dita von Teese wore a Christian Dior Haute Couture dress with Louboutin purse and shoes.  Her earrings and rings were from De Grisogono.  Dita does not work with a stylist for the red carpet.

Michelle Yeoh wore another Roberto Cavalli gown to the premiere.  (Hope she is enjoying plenty of 3pm champagne lunches on the yacht!)  Her shoes were Versace.  Her watch is from Audemars Piguet.  Michelle is styled by CK&K.  Makeup was by Delphine of L'Oreal and hair from Terry Millet of L'Oreal. 

Shu Qi also wore Roberto Cavalli.

The word glamazon comes to mind seeing Sharon show off her legs in this Balmain gown from the F09 collection.  Her watch is from the Dior Horlogerie collection.  Sharon works with stylist Kristi Brooks.

Asia Argento wore this sexy red and black gown from Armani Prive.

BJ Novak (pictured at the afterparty) wore Moschino Uomo wide peak lapel tuxedo.

Festival juror Robin Wright attended the Cannes Film Festival opening night premiere of "Up" wearing an off-the-shoulder hand-draped gown in platinum silver from Elie Saab Vintage Couture.  Shoes were Jimmy Choo's "Smooth" silver sandal and jewelry is diamond and white gold earrings and bracelet from Louis Vuitton Les Ardentes Collection.  Robin worked with stylist Cher Coulter for this event. 

New L'Oreal spokesperson Elizabeth Banks looked glamorous in a one-shouldered Armani Prive gown.  Jewels were from Chopard and shoes were Jimmy Choo "Cheetah" satin platform sandals. She did not work with a stylist for this event. 

Tilda Swinton arrived wearing a bordeaux Haider Ackerman skirt, shirt, and suede jacket ensemble.  She does not officially work with a stylist.

French actress and this year's Cannes jury President Isabelle Huppert chose a champagne Armani Prive gown worn with Chopard diamond cuffs.

Asia Argento posed for photographers in a pagoda print Armani Prive gown and black accessories.  More details soon!

A delicate Shu Qui graced the red carpet in an iridescent chiffon gown by Roberto Cavalli paired with a Cartier diamond necklace and bracelet.

Aishwarya Rai Bachchan chose a white tiered Roberto Cavalli gown from the Cavalli Couture Collection.  She completed the look with red peeptoe heels, a Swarvoski clutch, and pearl earrings.

Alessia Piovan wore Alberta Ferretti to the premiere and worked with Ms. Ferretti directly to dress her for the premiere and the Chopard party later in the evening.  Jewelry was also Chopard. 

Halle Berry wore a black knit dress with sheer panel & cap sleeves from Herve L. Leroux.

Lynn Collins wore an Emanuel Ungaro dress.  Shoes were Camilla Skovgaard gold leather and chain shoes.  Click through for detail shots ... Cuff is H. Stern Zephyr in 18K yellow gold.

Fergie wore a Vena Cava dress with Balenciaga shoes.  Her earrings were from Chrome Hearts and ring from Noir.  She was styled by Laura Lightbody.

Anjelica Huston arrived with her nephew Jack wearing Michael Kors pants with an Armani tee and Burberry trench.

Garcelle Beauvais wore a dress from L.A.M.B by Gwen Stefani.

Mary Lynn Rajskub wore a ruby red ribbed knit cocktail dress from David Meister.

Hugh Jackman wore a grey flannel custom 2-button suit, white shirt and shoes from Ferragamo to the premiere.  And was just generally handsome, as usual.

Click through for accessory shots

Debra Messing wore a Donna Karan ensemble to the opening of the Tribeca Film Festival in NYC - a red jersey ruched dress from pre-Fall 09, gold clutch and sandals were all from Donna.

Evan Rachel Wood wore a Dolce & Gabbana gown to the premiere. Her shoes were Armani Prive and she carried a clutch from Roger Vivier.  Jewels were from Neil Lane.  She was styled by Samanatha McMillen.

For the afterparty she wore a L'Wren Scott dress and carried a Chanel bag.  Jewels were also Neil Lane.  She was also styled by Samantha for this. 

Patricia Clarkson wore an Alberta Ferretti blue satin & silk-fringed gown from Spring 09.

Click through for more pics

Alica Keys was wearing Armani Prive with a Zufi Alexander clutch and Fred Leighton jewels.  Shoes are Jimmy Choo's "Lance" palladium sandals.  Alicia is styled by Wouri Vice.

Makeup artist Ashunta Sheriff created her makeup look for Dior Beauty.

Dress:  Armani Prive

Jewelry:  Martin Katz

Dress:  Armani Prive

Jewelry:  Van Cleef & Arpels - circa 1935 sapphire and diamond earrings set in platinum from the Van Cleef & Arpels Private Collection; ring from the Pierres de Caracteres Collection featuring a 13.08 carat emerald-cut violet sapphire set with diamonds in 18k white gold.

Clutch:  Roger Viver

Shoes:  Roger Viver

Styled by:  Rachel Zoe

Dress:  Armani Prive

Shoes:  Jimmy Choo

Bag:  Armani

Jewelry:  Chopard's pear-shaped chandelier earrings (10 carats) and square-cut yellow diamond cocktail ring (20 carats).

Styled by:  Cristina Ehrlich