Actress Emma Watson cried at the world premiere of Harry Potter and the Deathly Hallows - Part 2. It's a bittersweet moment for the Harry Potter cast. Today is the London premiere of the latest and final film of the Potter series. Thousands of fans braved weather and security restrictions in Trafalgar Square on Thursday to bid farewell to the adored boy wizard who cast a spell on Potter fans around the world.  And doing well not to dissapoint his fans, Daniel Radcliffe who was expected to miss the London premiere, surprised everyone by arriving at the premiere in a three-piece grey suit, and a tie-clip.

Stars Emma Watson and Daniel Radcliffe signed augtographs for fans who had been camping out in the Square for over two days.