Kim Kardashian is rumored to have "tried her hardest" to derail plans for an upcoming Amber Rose and Blac Chyna reality show on MTV.

"This is the worst possible scenario for the Kardashians," a source close to the family told Radar Online. "Giving these two more of a voice than they already have is going to be beyond destructive."

Given their ongoing feud with and "intense dislike" for certain the Kardashians, Rose and Chyna are expected to almost certainly seek to ridicule and taunt the family while on air.

With that in mind, Kim is reported to have done all she could to try to stop the show from ever seeing the light of day. "These two have it out for the Kardashians and it is going to turn into such a mess," a source added.

The two sides' feud can be traced back to the days when Kim's now husband Kanye West once dated Rose. Though West and Rose's relationship ended in 2010 and it was some two years later before he publicly commenced dating Kim, Rose has always blamed the "Keeping Up With The Kardashians" star for stealing her man.

More recently, Rose has openly feuded with sister Khloé after she came to the defense of younger sister Kylie Jenner, when she was being antagonized by Rose over dating older rapper Tyga, who also happens to be the ex-boyfriend of Blac Chyna and the father of her young son.

And as if none of that is quite enough, Khloé is now dating NBA star James Harden, who happens to be another one of Rose's ex-boyfriend.

Earlier this year, all the bickering escalated to the point of including West, who, during a "Breakfast Club" radio show appearance, told hosts after being with Rose he had to "take 30 showers" before Kim would be intimate with him.