Watch The Trailer For Amy Poehler and Tina Fey’s New Movie

Most of the time, it seems like Tina Fey and Amy Poehler are more than just best friends—they're sisters. And because it was a long time coming, we get to see what the two would actually be like as siblings in their new movie titled, well, Sisters.

The first trailer for the film has been released, and as expected, the two are a crazy, barely functional pair. They play complete opposites—Amy Poehler, a Leslie Knope-esque "good girl," and Tina Fey, the bad seed. Together, they decide to throw a crazy house party before their parents sell their childhood home, and predictably so many things go wrong. It looks hilarious, and a bonus for Pitch Perfect fans—it's by the same director.

Sisters is slated to hit theaters on December 18, 2015.