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Clash Of The Titans has debuted at the top of the US box office with $61.4 million over the holiday weekend.

Tyler Perry's Why Did I Get Married Too?, starring Janet Jackson, debuted at number two with $30.1 million and Miley Cyrus's The Last Song premiered at number four with $16.2 million.

Tim Burton's Alice In Wonderland tumbles three places to number five with $8.2 million, having now surpassed the $300 million mark in its fifth week of release.

John Cusack's comedy Hot Tub Time Machine claims the number six position, followed by The Bounty Hunter and Diary Of A Wimpy Kid.

Finally, Shutter Island drops to number ten with $1.4 million.

The US box office top ten in full:
1. (-) Clash Of The Titans - $61,400,000
2. (-) Why Did I Get Married Too? - $30,150,000
3. (1) How To Train Your Dragon - $29,200,000
4. (-) The Last Song - $16,203,000
5. (2) Alice In Wonderland - $8,267,000
6. (3) Hot Tub Time Machine - $8,000,000
7. (4) The Bounty Hunter - $6,200,000
8. (5) Diary Of A Wimpy Kid - $5,525,000
9. (6) She's Out Of My League - $1,463,000
10. (8) Shutter Island $1,462,000