The reality "momager" has warned Kim's boyfriend Kanye West to stop talking about the embarrassing scandal that made Kim a star back in 2007 after he rapped about the adult video and even (reportedly) admitted that he used to watch the tape with former lovers.
"Kris had stern words with Kanye when she saw that he said he would put Kim's sex tape on while romping with other women," a source tells Radar Online.
"She thinks it's a disrespectful claim and told Kanye to stop talking about it at every given opportunity.
"As far as Kris is concerned, the video with Ray J is history and since then Kim has become a reality TV star, a fashion designer, even a philanthropist so she's moved on.
"By bringing up the past, Kanye is making it worse for Kim, but he doesn't see it as that much of a big deal.
"Kim is, however, caught in the middle. She wants her mum and Kanye to get along because she wants Kris to approve their marriage. She won't if Kanye keeps doing things like this," the source said.
Kim Kardashian is a philanthropist now? Hands up who thinks this "source" is just Kim's publicist.