'Mamma Mia' tipped to become biggest-selling DVD

DVD sales of 'Mamma Mia! The Movie' are set to copy its box-office success, as a retailer predicted today that the film could become its biggest-selling ever.

The 'Mamma Mia!' DVD, due out on November 24, is set to topple Star Wars Trilogy (Episodes IV – VI) as the-best selling DVD before release, according to Amazon.co.uk.