MUMBAI: Television personality Kris Jenner, who is also the manager of her children's career, says her eldest daughter Kourtney Kardashian, is the toughest to manage.

Host Andy Cohen asked Kris during the "Keeping Up With the Kardashians" reunion: "Who's the hardest (to manage)? Who gives you the most lip?"

Kris said it was Kourtney, adding she could be stubborn and difficult to deal with.