Gerard Butler is auctioning off a night of his company to raise money for a children's cancer charity. The 300 star is offering up the date to benefit non-profit organization Kids Kicking Cancer, which teaches martial arts to empower young patients.

Fans who make a $20 donation to the program will be entered into the raffle draw for a date with Butler. He's also handing over invitations to an upcoming film premiere and a visit to one of his films' sets.

Stars including Josh Hartnett, Jessica Biel, Hugh Jackman and the Jonas Brothers have also donated to Kids Kicking Cancer.

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