In fact, the movie is based on a true story. It takes elements from the life of the main character and presents them in a dramatized form. However, some creative liberties might have been taken for cinematic purposes.
Yes, it is. 'Mommie Dearest' is inspired by real events and the experiences of the person it portrays.
Sure, 'Mommie Dearest' is based on true events. But keep in mind that when adapting real life to the screen, there's often some embellishment and interpretation to make it more engaging for the audience.