Anne Hathaway (30) went for gothic glamour in a short Giambattista Valli dress with layers of diaphanous black fabric. The sheer overlay emphasised Hathaway's slim limbs, while a sequinned panel on the bust added some sparkle.
Nicole Kidman (45) went dark and dramatic in an embellished black and midnight blue Vivienne Westwood dress.
Funny woman Tina Fey (42) went for red carpet favourite Oscar De La Renta. She emphasised her petite waist with a silver belt.
Homeland star Claire Danes (33) looked chic in a one shouldered Givenchy number, the dress featured an abstract monochrome print and she perfected the look with a slick of burgundy lipstick.
Julianne Moore (52) opted for an ivory Chanel dress with black and navy applique petals on the skirt and held a simple black clutch.
Julianna Margulies (46) went for a satin monochrome dress with high neckline and full skirt. The thigh-high split showed off her laser cut patent heels. Michele Dockery (31) kept things classy in a black floor length gown with sheer panels. Allen Leech also rocked the monochrome trend with a polka dot bow tie.
Sofia Vergara (40) has a body to die for and her shiny ivory Donna Karen dress showed it off to full effect. Naomi Watts (44) shimmered in a silver beaded Marchesa dress. She completed the look with diamond cluster earrings.
Sigourney Weaver (63) wore a black silk gown with gentle frills on the neckline and seams. And Mad Men's Elizabeth Moss (30) went for a tight sequinned pencil skirt with a fitted black bustier.
There were pops of colour on the red carpet. Lea Michele (26) wore a Barbie pink Valentino gown with purple drop earrings.
Modern Family actress Sarah Hyland (22) showed off her tiny frame in a purple Dolce and Gabbana dress while Amanda Seyfried (27) went for a navy Zac Posen gown with fishtail kick.
Jennifer Lawrence (22) wowed in a deep blue Dior gown with a train and Mad Men star Jessica Pare (30) went for a Grecian, flowing forest green dress.