Kris Jenner says cheating on Robert Kardashian is her 'biggest regret'

The Kardashian family has dealt with its fair share of infidelity, including from the family matriarch. On the Oct. 26 episode of Keeping Up With the Kardashians , Kris Jenner opened up about her infidelity with Robert Kardashian, Sr., her famous The father of children Kourtney, Kim, Khloé and Rob, called it the "biggest regret" of her life.

The conversation started last episode, when Khloe was dealing with the fallout from her ex-boyfriend Tristan Thompson's cheating scandal, asking Jenner about her state of mind when her mother cheated on her in the '80s. "You're asking me?" she asked. "Yeah, who am I talking to anymore?" her daughter responded.

Jenner attributed her decision to being "very young and stupid" as she was only 22 when she married Kardashian, who died in 2003. When you're in a difficult situation, she says, you don't "understand the consequences of your actions." Relationships at that age are serious.

Kris Jenner, Kendall Jenner, Kylie Jenner and Kim Kardashian in 2018. Dimitrios Kabouris/Getty Images Entertainment/Getty Images

"I made a huge mistake"

However, she was unable to identify the exact reasons why she felt the need to leave her marriage. "I don't know because he was a great husband and a great father," she explained.

"I guess I got into a situation where I thought the grass was greener elsewhere. I made a huge mistake. It's the biggest regret of my life."

Jenner laid out her thoughts in a confessional in which she said the relationship she formed with her ex after their split left her with regrets about how their marriage ended.

"When I got divorced, Robert and I became best friends," she recalled. "We talked on the phone all day long, helping each other solve problems all the time. And I do have regrets. I'm like, 'Wow, what was I thinking?'"

Who did Kris Jenner cheat on?

Jenner first opened up about her extramarital affairs in her 2011 book " Kris Jenner...and All About the Kardashians," revealing that she had an affair at age 33 with a 23-year-old man she called "Ryan." Year-old man cheated on Kardashian.

"It makes me feel young, attractive, sexy and energetic," she said of the incident. "Along with these feelings came a wave of nausea...because I realized I hadn't felt this way with Robert in years." In 2012, film animator Todd Waterman came forward He called himself "Rian".

Kris Jenner, Kourtney Kardashian, Khloe Kardashian and Kim Kardashian in 2019. Fraser Harrison/Getty Images Entertainment/Getty Images

While Jenner regrets her betrayal, she pointed out to Khloe that if she hadn't divorced her father, she wouldn't have met Caitlyn Jenner and had her two youngest daughters.

"You know, I'm not proud of my actions during that time," she said. "But you know what? Everything happens for a reason. I do think God has a plan for my life and if this hadn't happened, there would be no Kendall and Kylie."