Kunis and husband Ashton Kutcher welcomed their only child together, daughter Wyatt, in October 2014, and at 32, Kunis is the youngest mother in the cast.
"Everybody in this movie is a mom," Kunis points out. "The first thing that happens at five in the morning is, 'How'd your baby sleep? How was the night?' That's the first thing you ask: 'How are the kids?'"
In the film, Kunis plays Amy Mitchell, a mom whose family is her life, but when her man-child husband, high-maintenance kids and the condescending alpha moms at her kids' school push her too far, she finally snaps. Going from good Amy to bad Amy, she teams up with two other misfit moms (Kathryn Hahn and Kristen Bell) to get a jolt of freedom that shakes up her life and might even make her a better mother.