During the production of the movie, Tiffany Haddish and Billy Crystal became close friends. Crystal became a father figure to Haddish and helped her with her bat mitzvah.
When Emma livens up the crowd at the bat mitzvah is reminiscent of a job Tiffany Haddish actually had when she was younger; she was hired to keep things lively at bar mitzvahs and parties by getting people up to dance and enjoy themselves.
Among Charlie's (Billy Crystal) memorabilia is a photo of himself photoshopped into a real photo of comedy legends Imogene Coca, Sid Caesar, Carl Reiner, and Howard Morris.
The cast includes two Oscar winners: Kevin Kline, Barry Levinson, and one Oscar nominee: Sharon Stone.