Kylie Jenner 'furious' with mum Kris over brother Rob Kardashian

“Kylie was beyond furious after she found out. She is really going through it right now over this whole situation,” a family insider told RadarOnline.

But according to the report, Kylie wasn't aware that Kris had been working on the deal with E! - which hosts the Kardashian-Jenner shows.

“Kylie feels betrayed because Kris did the dirty deal behind her back,”