Steve Granitz / WireImage 1 / 9
Steve Granitz / WireImage 1 / 9

Leonardo DiCaprio is giving Sean Penn's Haiti charity a boost by auctioning off the chance to party with him at a Hollywood bash.

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DiCaprio has donated two tickets to one of his upcoming red-carpet premieres, as well as passes to the afterparty. The lucky winner and guest will then get the chance to pose for photographs with DiCaprio during a brief meet-and-greet session.

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The Charity Buzz auction, which ends on Feb. 9, is expected to fetch as much as $25,000 for the J/P Haitian Relief Organization.

Penn founded the charity to help Haitian families rebuild their lives in the wake of the devastating 2010 earthquake.

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