Khloe Kardashian hosted a movie night introducing her kids to 'The Cheetah Girls,' which featured Rob Kardashian's ex ...

At the time, Kim was 10, Khloé was six, and Rob Jr. was just three. Kris and Caitlyn would go on to have two daughters together, Kendall and Kylie, expanding the already blended Kardashian-Jenner ...