Picture gallery: Oscar fashion

The frocks, the tuxedos and the smiles take centre stage as the stars arrive for the 73rd Academy Awards.

Best actress winner Julia Roberts in vintage Valentino, with boyfriend Benjamin Bratt

Husband and wife Catherine Zeta Jones and Michael Douglas greet the fans

Juliette Binoche, best actress nominee for Chocolat, draped in pearls

Best supporting actress nominee Kate Hudson in Chloe

Singer and actress Jennifer Lopez sports the Hollywood trend of the moment, large earrings

Gladiator's Russell Crowe donned sunglasses and a medal

Billy Elliot stars Jamie Bell and Julie Walters, in a Jean Muir creation

Steven Soderbergh, up for two best director nods for Traffic and Erin Brockovich, arrives with Traffic producer Laura Bickford

Crouching Tiger, Hidden Dragon star Michelle Yeoh arrives

Best actor nominee Tom Hanks arrives with wife Rita Wilson

Pop star Bjork with swan