It's Jenny Slate!
Jenny Slate is super fun and goofy on Parks and Recreation and House of Pies Lies, so it only makes sense that her wedding to Marcel the Shell With Shoes On collaborator Dean Fleischer-Camp would be an absolute riot.
Currently, Jenny can be seen on the HBO comedy Hello Ladies as Amelia Gordon! She worked with HBO before playing Stella, one of Jason Schwartzman's girlfriends, on Bored to Death.
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