Kris Jenner told Khloe Kardashian and Kim Kardashian West to "f**k off" when they criticised her for paying for their brother Rob Kardashian's new house.

On the upcoming premiere of season 12 of 'Keeping Up With the Kardashians', Kim said: "You should not be paying for your son that is almost 30 years old to buy a house."

Khloe added: "Drop him. Cut the cord."

But Kris hit back and told them to "relax" and mind their own business.

She said: "You guys can judge me all day long, I came here to have a nice dinner, so just...everybody relax.

"You all have to have somebody to blame and criticise instead of saying, 'What's the problem?' "

After Kim told her that she was the problem, Kris then told her daughters to "f**k off".

She blasted: "No, all of you can f**k off and go think of something else to talk about. I've seen you guys through so much s**t that you do that I have to f***ing put up with."

And the momager then turned on Kim, who despite now being happily married to Kanye West - with whom she has children North, two, and Saint, four months - was previously wed to Damon Thomas after she eloped when she was 19, and Kris Humphries for just 72 days in 2011.

Kris said: "I'm married for 72 days, really? That was normal.

"I mean the s**t that we've all gone through, you guys can do anything you want and it's OK and I'm supposed to accept it all, and I'm going to do the same thing for him, so stop judging me."

Kris helped Rob to purchase his new $2.8 million home in Calabasas, California in February, a month after he was kicked out of Khloe's home over his relationship with now-fiancee Blac Chyna.

The four-bedroom residence is in the same gated community as where Khloe and other siblings and Kourtney Kardashian and Kylie Jenner currently live.