Fans remember Mara Wilson as the cute, spunky, brown-haired girl that lit up our televisions screens in movies like Matilda and Mrs. Doubtfire. But, unfortunately, she stopped acting at a very young age and no one really knew why…until now!

Mara recently released her first memoir, Where Am I Now? and she spilled major secrets about her life behind-the-scenes. Some of it is sad, some shocking and some will completely turn heads as she talks about her mother's death when she was only 8 years old and how she resented her character Matilda!

People magazine also chatted with her and she opened up even more about the issues she faced when her acting career had ended.

Click through the gallery and let us know what secret shocked you the most!