By Clark Collis
Updated March 30, 2016 at 08:05 PM EDT
Yaniv Rokah

Elizabeth “Mimi” Haist is an elderly, and formerly homeless, woman with a social circle which includes Renée Zellweger and Zach Galifianakis. In fact, Haist and Galifianakis are so friendly she was his date to the premiere of The Hangover Part III. What’s going on? All is revealed in the new documentary, Queen Mimi.

The directorial debut of Yaniv Rokah, Queen Mimi is released in theaters on April 22. But you can see an exclusive clip featuring Galifianakis above.