Movies
The climactic film held the top spot for the third successive weekend, taking around $30.8m (£17.0m) in ticket sales.
On the whole the top ten was largely unchanged on last week, with no new releases gaining entry. Brit comedy Calendar Girls shot up from 25th place last week to 9th place this week after expanding to an additional 745 theatres.
The last of the festive films, Bad Santa, slipped one place to ten after sales of $3.0m (£1.7m).
Click here to see this week's chart in full.
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.
