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The late Tammy Faye's daughter, Tammy Sue Bakker-Chapman, opened up about her mother's complicated legacy to Today in her first interview in 17 years, admitting that she "was not happy" when she heard about the Michael Showalter-helmed biopic.
"It's been very challenging over my life because people have done films, books, articles, television shows, plays, musicals and all kinds of things about my family," she said. "I'm a big girl and that's par for the course, but that's not really normal. It's strange to live that life."
"So when I first saw that they were going to do this film, frankly, I was not happy about it, only because I was like... here we go again," Bakker-Chapman, 51, added.
Despite her initial skepticism, Bakker-Chapman eventually became a part of the film. She recorded one of her mom's favorite songs, "Don't Give Up (On the Brink of a Miracle)," which plays during the end credits. She said it was a "dream come true" working on the track with six-time Grammy Award-winning producer Dave Cobb.
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"I got a text one day from Jessica Chastain, and she asked me if I would like to do a song for the film," Bakker-Chapman recounted. "I had not seen the film and so I really went out on a limb to do this." She's since seen The Eyes of Tammy Faye, but she wants to watch it a second time before giving her opinion.
Chastain, 44, portrays the titular Christian television personality in The Eyes of Tammy Faye, based on the 2000 documentary of the same name. The film depicts the rise and fall of Jim and Tammy Faye Bakker, who came from humble beginnings to create the world's largest religious broadcasting network and theme park. Tammy Faye ultimately suffered from the collateral damage brought about by Jim's scandals, before she died from colon cancer in 2007 at 65.
Chastain has since grown close to Bakker-Chapman and her brother Jay Bakker, 45. "She was so lovely while I was filming," Chastain told Today. "I'm really inspired by the two of them. Their mother's legacy definitely lives on through them."
RELATED VIDEO: Jessica Chastain 'Grew to Love' Tammy Faye Bakker After Portraying the Televangelist in New Film
The Golden Globe winner previously told PEOPLE about why she took on the role. "I just was so blown away by her and her story," she said in June. "The thing I loved the most about Tammy is her capacity to love. She knew what it felt like to not feel important, and she didn't want anyone to experience that."
"Here's a woman that I had an idea of because of what I was fed about her," Chastain added. "Even the thing about the mascara running down her face. There is not one picture of her with mascara running down her face in reality. But people were always making her into a clown and punishing her for the mistakes of her husband, which all throughout history women have been the victim of, atoning for the sins of men."
See Jessica Chastain in The Eyes of Tammy Faye, now in theaters.