Twilight Saga: Breaking Dawn (Part-1) became the most counterfeited DVD over the festive period.
The film industry's anti-piracy organisation FACT seized hundreds of thousands of illegal copies of the Robert Pattinson, Kristen Stewart and Taylor Lautner starred movie.
Illegal street and market sales of the flick easily outstripped sales of all other pirated films in Britain, highlighting its popularity, the Daily Mail reported.
According to the annual counterfeit chart, it is for the first time in four years that a 'Harry Potter' film failed to be the most pirated film at Christmas.
Other counterfeit movies highly in demand include, 'Avengers Assemble,' 'The Hunger Games' and 'Brave.'
Top ten most counterfeited DVDs of December 2012 are:
1. Twilight Saga: Breaking Dawn - Part 1
2. Avengers Assemble
3. The Hunger Games
5. Ice Age: Continental Drift
6. The Amazing Spider-Man
7. The Lorax
8. Dark Knight Rises
10. Men in Black 3