"The wedding invite is very Zach," an insider tells the site. "While it has the formal and standard details of who, what, when, where -- including Zach's full name, Zachary Knight Galifianakis, and his fiancee's, Mary Quinn Lundberg -- it is also very funny."
In addition to the Hangover films, Galifianakis hosts Between Two Ferns on Funny or Die, where he jokingly interviews stars like Jennifer Aniston and Tina Fey. The funnyman's other TV and film credits include It's Kind of a Funny Story, Due Date, Youth in Revolt, What Happens in Vegas and Out Cold.
Lundberg is the co-founder of the charity Growing Voices.