It's only fitting that the U.S. premiere of Moneyball happened on home turf, in Oakland, Calif. last night! Brad Pitt, Jonah Hill, Chris Pratt and more of the cast and crew celebrated the movie, which is all about Oakland Athletics general manager Billy Beane and his efforts to use baseball economics to bolster his cash-poor team roster.

28 photos in the gallery

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Brad greeted fans and signed autographs (we even spied a Legends of the Fall poster in there!) and a slimmed down Jonah palled around with co-star Chris.

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Moneyball is based on the 2003 book of the same name, and is finally hitting theaters after a years-long struggle, including a complete shutdown and recasting. Will you go see it?