Zach Galifianakis to Marry Girlfriend Mary Quinn Lundberg

Ladies: Zach Galifianakis is off the market.

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The burly Hangover star is officially engaged to his girlfriend, Mary Quinn Lundberg, and the pair are planning an August wedding.

Celebuzz.com got hold of the official invitation and reports an Aug. 11 wedding date. According to those who saw the invitation, there's a sketch of a little troll (meant to symbolize Zach) standing next to a beautiful blonde princess that bears a striking resemblance to Zach's tall, fair-haired fiancée.

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The couple have a farm in North Carolina and also spend time in Venice, Calif. Those privy to the online gift registry say the pair are eschewing gifts in favor of contributions to Mary's community-based charity, Growing Voices.

Congrats, you two!