Watch: Khloe Kardashian Gives Glimpse Into Niece Dream's 9th Birthday With Cousins True and Tatum ThompsonKhloe Kardashian can always depend on Kylie Jenner. The Kardashians star-who shares kids True Thompson, 7, and Tatum Thompson, 3, with ex Tristan Thompson-revealed her youngest sister played a major role in helping her through the NBA player's past paternity scandal, noting that the beauty mogul illuminated a key silver lining amid the drama. "Kylie is really one of the main reasons why I felt so safe and comfortable having Tatum," Khloe said on the Nov.