Los Angeles, California - Always a brat! Charli xcx shared how she related to her character in her new movie, The Moment.

Charli showed the Sundance Film Festival crowd how art imitates life as she played a fictionalized version of herself in the mockumentary.

"I'm obviously quite related to my character, so I had a lot of inspiration to pull from," the 365 singer said, per People.

She continued, "I would like to think I'm not as much of a nightmare as Charli in the film, but my real managers are in the audience and they probably know the true answer to that."

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The A24 film, directed by Aidan Zamiri, is inspired by Charli's international Brat tour and features Kylie Jenner in her acting debut.

The British singer reportedly hailed the reality star as "phenomenal" and a "really great actress."

Regarding the fictional Charli's "spiral moments," the Boys artist admitted, "I have been there. I think I am, as an artist, quite a volatile person."

"And nice, though," Charli jokingly added. "I am quite nice, too. Right?"

The Moment hits theaters everywhere on January 30!