The final Star Wars movie has been knocked off the top of the US box office after a reign of just two weeks.

Last week's number two, animated lion tale Madagascar, pulled in $28.7 million (£15.8m) over the weekend to rise to prime position.

After sales of $26m (£14.3m), Return of the Sith fell to number three. Its total gross now stands at $308.8 million (£169.8m).

The highest new entry was Cinderella Man, the story of Depression-era boxer Jim Braddock, which debuted at four with a disappointing $18.6 million (£10.2m).

The top ten in full:

1. Madagascar, $28.7 million (£15.8m)
2. The Longest Yard, $26.1 million (£14.3m)
3. Star Wars: Episode III - Revenge of the Sith, $26 million (£14.3m)
4. Cinderella Man, $18.6 million (£10.2m)
5. The Sisterhood of the Traveling Pants, $10.25 million (£5.6m)
6. Lords of Dogtown, $5.7 million (£3.1m)
7. Monster-in-Law, $5.3 million (£2.9m)
8. Crash, $3.3 million (£1.8m)
9. Kicking & Screaming, $2.1 million (£1.2m)
10. Unleashed, $0.9 million (£0.5m)