Granted, Jada Pinkett-Smith may be under investigation (for failing to discipline her own children), but she apparently has no problem laying down the law with other people's kids.
Star magazine reports that Jada recently banned Kendall Jenner from her home for copping an attitude with the Smith family's longtime housekeeper.
"Jada took an instant dislike to Kendall; she's got a rude mouth on her," a source tells the tabloid. "The way she spoke to Jada's housekeeper was atrocious and arrogant."
Hilariously, the final straw reportedly involved Kendall behaving rudely while being served iced tea: