Red CarpetScreen Actors Guild 2012: Best Dressed on the Red Carpet (PHOTOS)Angelina Jolie in Jenny Packham, Jessica Chastain in Calvin Klein, and more from the red carpet.01.29.12 10:05 PM ETAngelina Jolie got ‘comfortable’ in black Jenny Packham, Jessica Chastain stunned in azure Calvin Klein, and Tilda Swinton channeled a Greek goddess. See photos from the red carpet. Jason Merritt / Getty ImagesGeorge Clooney and Stacy KeiblerClooney, nominated for his leading role in The Descendants, looked dapper in a Giorgio Armani tux, while Stacy Keibler stunned in a black lace Marchesa dress. Jason Merritt / Getty ImagesViola DavisDavis, who won Outstanding Female Actor in a Leading Role for The Help, wore a custom strapless Grecian silk chiffon gown with antique gold embroidered detail. Jason Merritt / Getty ImagesOctavia SpencerSpencer, who picked up the award for Outstanding Female Actress in a Supporting Role, wore an embroidered Tadashi Shoji Spring 2012 dress. Kevork Djansezian / Getty ImagesBrad Pitt and Angelina JoliePitt, who was nominated for his leading role in Moneyball, looked sleek in a black suit, while Angelina opted for a black Jenny Packham dress, Gucci shoes, and a Louis Vuitton bag. “I wanted to be comfortable,” Jolie said on the red carpet. Jason Merritt / Getty ImagesJessica ChastainNominated for Outstanding Performance by a Female Actor in a Supporting Role for her work in The Help, Chastain stunned in a blue Calvin Klein Collection azure bustier dress and $2.5 million worth of Harry Winston jewels. Jeff Vespa / WireImageSofia VergaraThe Modern Family actress, who was nominated for Outstanding Performance by a Female Actor in a Comedy Series, accentuated her curves in a pink Marchesa dress. Jason Merritt / Getty ImagesLea Michele The star of Glee showed some leg in a silver Versace dress and Lorraine Schwartz jewels. Jason Merritt / Getty ImagesEmma Stone The Help star wore a black Alexander McQueen exploding lace bustier dress, clutch, shoes, and Tiffany & Co. diamond earrings by Paloma Picasso, which retail for $38,500. Vince Bucci / AP PhotoMeryl StreepThe Iron Lady star, who was nominated for Outstanding Performance by a Female Actor in a Leading Role, wore a grey Vivienne Westwood dress. Jason Merritt / Getty ImagesTilda SwintonSwinton channeled a Greek goddess in a custom off-white gathered jersey dress and bronze platform sandals. Swinton was nominated for an Outstanding Performance by a Female Actor in a Leading Role for her work in We Need to Talk About Kevin. Kevork Djansezian / Getty ImagesGlenn CloseNominated for an Outstanding Performance by a Female Actor in a leading role for her performance in Albert Nobbs and for Outstanding Female Actor in a Drama Series for her role in Damages, Glenn Close wore a Zac Posen black tiered taffeta and tulle gown. Jason Merritt / Getty ImagesMichelle WilliamsNominated for her role in My Week With Marilyn, Williams stunned in a red lace Valentino dress, Roger Vivier shoes, Lanvin bag, and Fred Leighton jewels. Alberto E. Rodriguez / Getty ImagesShailene WoodleyWoodley, who was George Clooney’s co-star in The Descendants, wore a hand-embroidered floral gown by L’Wren Scott.