UK film premiere of Salt at the Empire Leicester Square

Angelina Jolie poses for photographers in a shimmering silver sequinned floor-length gown by Amanda Wakeley and Salvatore Ferragamo heels Photograph: Richard Young / Rex Features

Fans wait for Angelina Jolie, who plays a CIA officer who goes on the run after being accused of being a Russian spy Photograph: Richard Young/Rex Features

Jolie said: "I love doing action and I think that when you like what you do, it's contagious and hopefully people will like it too" Photograph: Mark Cuthbert/UK Press

Kerry Katona at the Salt premiere Photograph: David Fisher/Rex Features

Joe McElderry arriving for the premiere of Salt Photograph: Mark Cuthbert/UK Press

Some fans had been waiting for Angelina Jolie's appearance for 27 hours. The film opens in cinemas on Friday Photograph: Richard Young /Rex Features

Swimmer Rebecca Adlington attends the UK film premiere of Salt Photograph: Gareth Cattermole/Getty Images

Angelica Bell and Michael Underwood attend the UK premiere of Salt at Empire Leicester Square Photograph: Ferdaus Shamim/WireImage.com

Fans of US actor Angelina Jolie wait behind a hoarding bearing a poster for the film. Jolie said: "I love it - I love to punch things, jump off things and shoot, so I'm lucky I got the job" Photograph: Lefteris Pitarakis/AP

Angelina Jolie greeted her eager fans and thanked them for waiting for her Photograph: Joel Ryan/AP

Edith Bowman interviews actress Angelina Jolie at the film premiere of her new film 'Salt' at the Empire, Leicester Square Photograph: Roy Catherall/EMPICS Entertainment