Trailer Park Mila Kunis, Kristen Bell and Kathryn Hahn are Bad Moms (Trailer) May 3, 2016 Sick of trying to be perfect modern moms, Mila Kunis, Kristen Bell and Kathryn Hahn decide to do whatever the hell they want, despite what the stuck up moms in the PTA think, in the upcoming R rated comedy, Bad Moms.