Mamma Mia! is the highest-grossing British film at the UK box office
Musical film Mamma Mia! has become the fastest-selling DVD of all time in the UK, according to Official UK Charts Company figures.
It sold 1,669,084 copies on Monday's release date, breaking the previous record held by Titanic - based on DVD and video sales - by 560,000 copies.
Mamma Mia!, which was released in cinemas in July, has taken more than £66m at the UK box office.
James Bond film Quantum of Solace remains at the top for a fourth week.
Universal's managing director, Ian Foster, said the success of Mamma Mia! was a "testament to the fun-loving spirit of the British public and the universal appeal of this wonderful film".
A spokesman for supermarket Asda said 300,000 copies had been sold in its stores with, 15% of shoppers buying a copy on Monday.
UK BOX OFFICE TOP 10
1. Quantum Of Solace - £2,879,816
2. Body Of Lies - £991,979
3. My Best Friend's Girl - £911,355
4. High School Musical 3: Senior Year - £605,704
5. Zack And Miri Make A Porno - £447,485
6. Max Payne - £434,992
7. Ghost Town - £392,965
8. Quarantine - £387,994
9. Igor - £178,717
10. Dostana - £178,663
Source: Screen International
Last month, Mamma Mia! became the highest-grossing British film at the UK box office, beating the previous holder of the record, Harry Potter and the Philosopher's Stone.
It is now the second highest-grossing film in UK box office history behind Titanic.
Meanwhile, this weekend, chart-topper Quantum of Solace took £2.9 milllion and has now taken £45.1 million in the UK so far.
It beat competition from espionage thriller Body of Lies - starring Leonardo DiCaprio - which made its debut at number two with takings of £991,979.
Love-triangle comedy My Best Friend's Girl, starring Kate Hudson, Jason Biggs and Dane Cook, opened in third place with £911,355.
High School Musical 3: Senior Year dropped a place to number four, with £605,704, and US comedy Zack And Miri Make A Porno also slipped to number five, taking £447,485.