Movies
Leicester Square will be transformed into Middle Earth for the arrival of the cast; Orlando Bloom, Liv Tyler and Sir Ian McKellen are among the stars expected to appear.
The UK crowd is unlikely to top the reception given at the world premiere in New Zealand last week, when more than 100,000 attended a three-mile parade through Wellington.
Return of the King opens in the UK on December 17.
More: Movies, Return of the King
Movie Reviews
'The Vow' reviewChanning Tatum tries to win back Rachel McAdams in romantic drama The Vow.
At the Movies
This Week's 5 Hottest Movie VideosTrailers for The Avengers and Spider-Man are among this week's highlights in film.
Movies Interviews
Daniel Radcliffe talks 'Woman in Black'The actor talks to Digital Spy about his first post-Potter outing.
Box Office Charts
'Chronicle' leads UK box officeSuperhero drama Chronicle leads the UK box office ahead of Journey 2.
