Amanda Seyfried transformed into Linda Lovelace in movie poster

Mama mia! Amanda Seyfried has completely transformed for her role as the '70s porn star Linda Lovelace. The actress, who starred in "Mamma Mia!" and the romance "Dear John," is now featured on a racy new poster for the biopic "Lovelace," and she's virtually unrecognizable. She shows some skin in a lacy red bra, a big brunette 'do, and a sultry, heavily made-up look.

In some ways, the actress almost seems to take it a step too far: She comes across as more outwardly sexy than Lovelace in many of her photos: The porn star seems to be sunny and smiling, crowned with her trademark curly brown hair.

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The upcoming drama centers around Lovelace's life as the star of the first porn movie with a plot, 1972's "Deep Throat," and her awful-sounding pornographer husband, Chuck Traynor, played by Peter Sarsgaard. James Franco channels a young Hugh Hefner in the film.

Lovelace went from a porn superstar to an anti-porn activist, claiming that her husband had forced her to do "Deep Throat" at gunpoint, among other things.

The 26-year-old, with her doe eyes and blond hair, certainly didn't seem to be an obvious choice, but as her sizzling poster pose proves, she's got what it takes.

There is another Linda Lovelace biopic in the works. That project, called "Inferno," made headlines first when Lindsay Lohan was cast in the lead role, and then again when she dropped out. Malin Akerman is currently slated to play Lovelace in that film, but she recently told The Hollywood Reporter, "I don't know if that's even going to go."

"Lovelace" is expected to be released later this year.

Watch Amanda Seyfried in the trailer for 'Gone':

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