Los Angeles, California - Khloé Kardashian reacted to the "gross" comments from Lamar Odom's son, LJ Odom Jr., in the athlete's doc, Untold: The Death & Life of Lamar Odom.

On Thursday's episode of The Kardashians, the 42-year-old revealed why she chose to appear in her ex-husband's tell-all film.

"I want Lamar to be able to have the documentary that he wants out there," she explained to Scott Disick.

"They sent me the footage so I can watch the whole thing. The son, LJ, is like, 'I only came around for Christmas because I knew Kris and Khloé were going to spend a lot of money on me,'" the Good American mogul continued.

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"It was so gross how they were talking about me."

Scott noted that her ex's family was "pretty rude, even at the time," which she agreed with.

Khloé said that her former in-laws "always want something," calling them "users and takers."

She added, "They're not asking anything about you. They're just like, 'Do this for me. Do this for me, do this for me.' They've never, ever really been nice to me, and so the fact that they even feel comfortable asking me for things is ballsy."

Khloé married the former Los Angeles Laker in 2009 after just one month of dating.

The Good American mogul filed for divorce from Lamar in 2015, which was finalized a year later.

The mom of two previously admitted that she "regretted" participating in the doc after Lamar suggested that he was only with her "for fame," insisting that she was "beyond done" with her ex.