As RadarOnline.com has learned, Duff, 30, will be playing the leading role in The Hauting of Sharon Tate. This Tuesday, February 6, she took to Instagram to share a photo of herself dressed similarly to the late actress.
"Had the incredible opportunity of playing Sharon Tate the past two weeks in an independent movie. She was an amazing woman and it was a true honor," The Lizzie McGuire star wrote in the caption.
Speaking of the upcoming film, Debra told PEOPLE that she believed "it's classless" and "exploitative," for producers to create a movie on Sharon Tate's brutal killing.
"It doesn't matter who it is acting in it – it's just tasteless," Debra added. "It's classless how everyone is rushing to release something for the 50th anniversary of this horrific event."
As RadarOnline.com readers know, Sharon Tate was killed by Charles Manson's sick cult in 1969. She was found dead inside her home after the serial killer's followers broke in and stabbed her repeatedly. She was 26, and pregnant with husband Roman Polanski's child at the time.
Sister Debra, was 16 at the time of Sharon's murder.
Speaking more about the film, Debra told the publication that it's all "a total fabrication," that doesn't correctly portray the tragic killing of her beloved sister, just "tacky, tacky, tacky."
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