(CNN) - There are bundlers - the mega-fundraisers who collect checks from friends and contacts, then forward them to campaigns - and then there's George Clooney.
Clooney did something that few, if any, bundlers have done this year for President Barack Obama's campaign: rake in $15 million dollars, a figure provided to CNN by a top Democratic source.
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The campaign raffled two tickets to join Clooney and Obama at the movie star's Los Angeles home for a dinner on Thursday. The campaign said last week that it had raked in $6 million by selling tickets for 150 guests, suggesting the raffle earned the campaign $9 million.
The campaign has previously raffled - always requesting an optional campaign donation - attendance dinners with Obama and his wife, Michelle. Earlier this year, GOP presidential candidate Mitt Romney conducted a similar raffle for seats with him at a Red Sox baseball game.
Clooney was last seen at the White House in mid-March, when he met with Obama to raise awareness about the South Sudan crisis.
Clooney said last week that the event was "the biggest fundraiser so far to date-ever," and that it was "double anything that's ever been done before."