Khloé Kardashian
Khloé Kardashian, photographed at the KYBELLA Allergan event in New York City March 3, 2016, opened up about why she hates cheating in an episode of "Kocktails With Khloé." Getty Images

Khloé Kardashian is a stickler when it comes to relationships. She's big on fidelity, which she says has a lot to do with the failed relationship between her parents, Kris Jenner and the late Robert Kardashian.

During the most recent episode of her late-night TV show "Kocktails with Khloé," which airs on FYI, the "Keeping Up With the Kardashians" star opened up about cheating. According to People magazine, she told viewers she and boyfriend James Harden recently split because she had "the receipts to prove" that he had been unfaithful.

For Khloé, 31, cheating is a major no-no for a multitude of reasons — most notably the effect it had on her mother and father's relationship. Khloé told "Kocktails With Khloé" viewers that her dad was crushed after learning that Kris, now 60, had been unfaithful. She added that it also left her mom feeling a lot of "regret."

"I saw how it destroyed my dad," Khloé said. "I saw what it did to my dad, so I don't want to do that. I also saw the regret from my mom."

The destruction of his marriage wasn't the only thing that weighed heaily on the Kardashian's lawyer father. In a clip from her show, Khloé told viewers that the O.J. Simpson trial in 1997 was a major stressor for her dad, who had the task of defending the former NFL star. She told viewers that she strongly believed that the stress from the case combined with the fact that he kept so much of it to himself contributed to him getting throat cancer, which claimed his life in 2003. Khloé explained that the esteemed lawyer did not have a history of cancer, never smoked and wasn't a drinker.

Khloé has been outspoken about her distaste for cheaters over the years. In January, she appeared on the Howard Stern show, where she went public about her estranged husband Lamar Odom's infidelity. She told the SiriusXM radio show host that she "never [suspected] cheating" because Odom was incredibly sneaky in his methods. He teamed up with his assistant, having him make calls and send texts to various women from another phone, setting up their hookups. Khloé called his actions "disgusting," adding that she was still angry with his assistant.

"Kocktails With Khloé" airs Wednesdays at 10 p.m. EST on FYI. Check out a clip from the show below:

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