Kim Slams Rob Kardashian And Blac Chyna For Publicly Bashing Kris Jenner! Find Out How They Humiliated Momager!

Kim Kardashian may not be a model behavior daughter but she'll be the first one to stick up for her mother when someone  disrespects her.

In a sneak peek clip 0f the an upcoming Keeping Up With The Kardashians episode; Kim slams her brother Rob for letting his fiancé Blac Chyna post ‘disrespectful stuff’ about Kris Jenner on his Instagram account.

Kim’s anger came after seeing videos of him and Blac laughing at the unhealthy foods stocked in their new home.

The clip shows an irritated Kris telling Kourtney, "Rob went on his Instagram and was making fun of the food I bought."

Kim becomes defensive of her mother and reveals to cameras, "my brother is posting disrespectful stuff online.”

The clip ends with Kardashian calling Rob and bashing him on the phone. “You’re blasting mom it’s petty as f***!” she yells.