KRIS Jenner has revealed her biggest life regret while holding back tears during her tell-all confession.
In the latest episode of The Kardashians, Khloe Kardashian, 39, snapped at her mother in an explosive argument.
Kris, 67, warned about the consequences if she split from her cheating ex Tristan Thompson, the baby daddy of her children: five-year-old daughter True and son Tatum Robert, also one.
When Tristan's cheating scandal emerged, the public discovered the Cleveland Cavaliers player fathered a love child with his ex-mistress Maralee Nichols, 33, during his supposedly exclusive relationship with Khloe.
Khloe retaliated: "What was your mindset when you cheated?"
The momager responded: "I think being really young and dumb is something that plays into it.
"You don't understand the consequences of your actions."
Kris' daughter interrupted: "But what was it about my dad that made you want to look elsewhere?"
The Kardashian matriarch choked up and answered: "I don't know because he was such a great husband. A great dad.
"I think I fell into a situation where I thought the grass was greener somewhere else. And I made a huge mistake."
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She continued: "That's like my life's biggest regret."
'WHAT WAS I THINKING?'
During her confessional, Khloe's mother spoke about her relationship with the late Robert Kardashian Sr. after their divorce in March 1991.
The Hulu star added: "When I got divorced, Robert and I became best friends.
"We talked on the phone all day long. Helped each other through things all the time."
Kris ended: "And I did have regrets. I thought: 'Wow. What was I thinking?'"
The reality star confessed to her daughter she is not proud of how she behaved before.
Kris closed: "Without that whole thing happening, there would have never been Kendall and Kylie [Jenner]."
Robert, 59, died from esophageal cancer on September 30, 2003, roughly two months after his diagnosis.
'INFATUATED WITH HER'
Caitlyn Jenner, 73, married the former E! star from 1991 to 2015 and shares daughters Kylie, 26, and Kendall, 27.
In early October, the Olympic gold medalist opened up about their past relationship to :
Caitlyn fondly recalled falling madly in love with the TV star during their blind date at the start of the '90s.
She remembered: “We hit it off right at the beginning, and we were married after five and a half months.
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"I was infatuated with her because she was very different from me. But yes, I’d have to say, it was love at first sight.”
Caitlyn claimed she "had no idea what the future held for us. I don’t think even she did."