Madeline ‘Maddie’ Steitz, Kris Jenner’s former personal assistant, has shared the highs and lows of working for the Kardashian matriarch – from having ‘nightmares’ about the famous family to having to sign an iron-clad NDA. Maddie has become a viral sensation on TikTok for sharing some of the valuable lessons that Kris, 68, taught her.