Blanchett may have lost bast actress trophy to an absent Brie Larson but she stole the show in a heavily embellished McQueen gown, which she teamed up with danglers and bracelet.
Actress Julianne Moore looked like a vision in her elegant monochrome Armani gown. She kept the look minimal by opting for a hot pink lipsticks, emerald earrings with her hair in a neat bun.
"Brooklyn" star Ronan was on trend in her heavily strapless Burberry dress and beaded Chopard necklace.
Rooney Mara wowed in her divine dress, complete with a crochet detailing across the fabric and delicate additions across her shoulders.
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The "50 Shades of Grey" star Dakota Johnson looked ravishing in red in her Dior dress and bold lips.
Also in red was "Game of Thrones" star Emilia Clarke in a stunning cut-away dress.
"The Danish Girl" star Alicia Vikander turned heads in a Louis Vuitton leather dress and silver tassels.
Australian-born actress Isla Fischer went for a white Stella McCartney gown.
Julie Walters went for a sequined blue dress and black velvet coat.
Bond girl Olga Kurylenko looked beautiful in her delicately covered sheer dress by Ralph & Russo with a white lace pattern.
Actress Annabelle Wallis, girlfriend of Chris Martin, opted for a beautiful, romantic and heavily ruffled gown.