Funnyman Steve Carell's summer hit THE 40-YEAR-OLD VIRGIN is raising Christmas cheer in America and is on course to become the biggest-selling comedy on video and DVD.

The hilarious film about an unlucky-in-love loser has sold 3.7 million DVD copies, earning a whopping $65 million (GBP36.1 million) during its first week on release.

The low-budget movie was America's fifth highest-grossing comedy of 2005, netting $109 million (GBP60.5 million) at the box office.