In pictures: Harry Potter première

The stars of Harry Potter and the Philosopher's Stone and their celebrity fans turned out in force for the film's world première on Sunday.

JK Rowling posed with the film's three child stars

Leicester Square was turned into Hogwart's school of wizardry

Robbie Coltrane, aka Hagrid, arrived with his partner

Richard Harris, who stars in the film, brought his Potter-mad family

The Duchess of York said her daughters were huge Potter fans

Cate Blanchett, star of forthcoming film Lord of the Rings, attended

Pop star Cher was on hand to join in the Pottermania

Meet the Parents star Ben Stiller was invited to Leicester Square