Janet Jackson once locked her mother Katherine out of her car in a defiant attempt to escape enrolling at charm school.
The Jackson family matriarch was keen for her singing daughter to attend etiquette lessons as a youngster over fears she was too much of a tomboy.
But the Control superstar flat out refused to refine herself with the classes, and took action against her mother's plans at the school gates.
Her sister La Toya Jackson tells Piers Morgan Tonight, "Janet's more on the tomboyish side - I was never that way. She used to really get angry when we were younger and our mother would say, 'You have to go to etiquette school', and she would go, 'It's all your fault, because of you I have to go to etiquette school - you act too much like a girl!' She was so defiant - she did not want to go.
"I have this memory in my head about Jan. We took her to this school and my mother was driving, Jan was in the back of the Mercedes, and the minute my mother got out the car to open the door - Jan locks the door, locks my mother out, props her foot against the door and holds it like, 'You are not going to get me out of this car!'
"She refused to go to etiquette and charm school, she didn't want that."