Kelly Clarkson won’t let her kids watch ‘From Justin to Kelly’ after brutal admission about 2003 film

Kelly Clarkson has no plans to introduce her children to one infamous chapter of her career.

During her final Las Vegas concert on Saturday, the 44-year-old singer revealed that she has banned daughter River Rose, 12, and son Remington, 10, from watching her 2003 musical comedy, "From Justin to Kelly."

"Well, it’s an Oscar-worthy number, and it’s called ‘From Justin to Kelly,’" Clarkson joked, according to a video obtained by Us Weekly, before explaining her participation in two words: "Contractually obligated."

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"Man, read the f—ing fine print, you know," she told the crowd. "I didn’t know that if you won, you had to do a movie. Not all of us want to be Meryl Streep, we just like watching her, OK? I was like, ‘I don’t want to be in a movie,’ but they were like, ‘Yeah, but you won.’ And I was like, ‘And I feel like I’m losing? It doesn’t feel quite like a win.’"

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Clarkson starred opposite "American Idol" season one runner-up Justin Guarini in the musical, which hit theaters shortly after she became the reality competition’s inaugural winner. The movie followed two young people who meet and fall for each other while on spring break.

More than two decades later, Clarkson made clear she isn't looking back at the project through rose-colored glasses.

After a fan at the concert defended the film, Clarkson joked that the audience member was watching it with "loving eyes," before offering her own decidedly less flattering assessment: "It’s s."

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And her two children apparently won't get the chance to judge her performance for themselves anytime soon.

"It is funny though, like, my kids, I’ve banned them from watching," Clarkson admitted.

Despite her feelings about the film, the singer said the experience wasn't entirely negative.

"The music part, that was fun," she said. "See? You gotta find the positive, motherf—ers, you know? Turn that s— into lemonade … and cry yourself to sleep."

"From Justin to Kelly" was released in 2003, one year after Clarkson's victory on the first season of "American Idol."