Jennifer Lawrence in Dior: Best Actress winner for Silver Linings Playbook, Jennifer Lawrence was stunning in a strapless white dress. She almost tripped over her voluminous skirt as she climbed the steps to the stage, but made a valiant recovery.

Michelle Obama in Naeem Khan: The First Lady, who announced the winner of Best Picture via video link, wore a glittering silver dress and her now-famous bangs.

Jennifer Aniston in Valentino: Presenter Jennifer Aniston accessorized her big red ballgown with easy, undone hair.

Samantha Barks in Valentino: Les Miserables star Samantha wore one of our favourite dresses, black with a plunging neckline.

Jessica Chastain in Armani Prive: Best Actress nominee Jessica was palely beautiful in metallic almost-nude-but-not-quite.

Charlize Theron in Christian Dior: Not only was Charlize a dream in white, she also left jaws dropped when actor and dancer Channing Tatum twirled her round the Oscar stage in ballroom number. Co-presenter Dustin Hoffman later complimented her on her dancing.

Zoe Saldana in Alexis Mabille: There were tears over the absence of Best Actor nominee Bradley Cooper by Zoe's side. She was immaculate and characteristically quirky.

Kerry Washington in Miu Miu: Django Unchained star Kerry Washington nailed her red embellished dress by keeping her hair and make up simple.

Sally Field in Valentino: Best Actress nominee Sally Field, who usually errs on the frumpy side, was nothing short of stunning in fire engine red.

Naomi Watts in Armani Prive: Best Actress nominee Naomi upped the shine and the glam factor.