Kim Kardashian may have come to the public eye by appearing in a homemade sex tape, but that doesn't mean she is the Kardashian who would make the best adult film star -- at least not according the woman who plays Kim Kardashian in an upcoming porn parody.

Kiara Mia, 34, is directing and starring in "Keeping Up With Kiara Mia," a porn parody of "Keeping Up With The Kardashians" due for release in September.

As part of her research, Mia spent hours watching Kim Kardashian's reality show as well as the film she made with Ray J. in 2007 that started her on the road to fame.

Mia learned some valuable insights that she applied to her big scene where "Kim" has sex in a recording studio with "Kanye West," who is played by actor Flash Brown.

"Kim has a certain demeanor about her that is very soft and girly and comes out strongly in her sex tape," Mia told The Huffington Post. "She is reserved and classy in whatever she does."

That said, when it came time to getting down and dirty, Mia did not imitate Kim at all.

"I didn't have sex in character," she admitted. "I went full bore to spice it up."

Mia learned another sexy secret while researching the role of Kim: She's not the sister who is best suited to be in porn, a dubious honor she bestows on Khloe Kardashian, who, in the porn version, is played by Allison Moore.

"I think Khloe would be the best porn star [of the Kardashians]," Mia said. "She's definitely has a fiesty personality, and I think out of all of them, she owns her sexuality as opposed to being what society expects. Kim is very concerned with how she comes across."

As evidence, Mia points to the way Khloe reacted when she learned about the porn parody.

"She laughed," Mia said proudly.

Kris Jenner is portrayed by adult actress Veronica Av Luv, but Mia said if the Kardashian matriarch wanted to make hardcore films, she would be welcomed with open, er, arms.

"She's a damn foxy MILF," Mia said. "She's hot for her age."

Mia hopes to have a trailer for the film by the beginning of July and is confident the film will be a big hit.

"We're thinking of doing part two in Miami and have some surprises planned," she said.

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