ShowbizBirthday girl Gwynnie dazzlesBirthday girl: Gwyneth arrives for the premiereMark Reynolds|Daily Mail11 April 2012She has always favoured a sleek, discreet style. But last night a little more of Gwyneth Paltrow caught the eye as she arrived at a movie premiere in London.In a daringly-cut Vivienne Westwood gown, the actress who turns 32 today was greeted by fans singing Happy Birthday.Miss Paltrow was accompanied by Jude Law, her co-star in Sky Captain and the World of Tomorrow, at the Leicester Square premiere.She was delighted at the crowd's greeting.'I didn't expect that at all, it was a really lovely touch. It's been a great day today and the reaction outside has just crowned that for me,' she said.Law, who like Miss Paltrow moves between both the U.S. and London, said they also shared a ' filthy sense of humour'.His ex-wife, Sadie Frost, an executive producer on the movie, was among the guests at the premiere. His new girlfriend, actress Sienna Miller, did not go.MORE ABOUTActors And ActressesActressesBritish FashionSadie FrostVivienne Westwood