On Air Now
Zoe Hardman & Anna Whitehouse 10pm - 1am
A rather surreal scene in Trafalgar Square as hundreds of Harry Potter fans have camped overnight ahead of tonights premiere of The Deathly Hallows Part 2 - the final film.
A huge screen's in place and a massive red carpe has been laid out heading up the steps to the National Gallery.
Several thousand wristbands have been handed out guarenteeing a space to catch all the action.