Surprising Celebrity Scientologist #6: Laura Prepon

Actress Laura Prepon poses during the New York rescue workers detoxification project charity event held at Geisha House on March 27, 2008 in Hollywood, California. (Photo by Michael Buckner/Getty Images Entertainment)

Laura and Christopher Masterson.
Laura Prepon won hearts as blunt tomboy Donna Pinciotti on That 70's Show. The formerly redheaded actress was one of TV's most popular leading ladies for eight years, until the show's finale in 2006. She's also a Scientologist.

After her breakup with co-star
Topher Grace
, Prepon started dating her castmate Danny Masterson's brother Christopher, also an actor (you may remember him as the oldest brother on Malcolm in the Middle). The Mastersons were raised into Scientology, and Laura herself converted as a result of her relationship.

Prepon and Masterson broke up last year, but she's still spotted going to the LA Scientology Center all the time.  Laura doesn't talk about Scientology in interviews, probably because she's worried it will affect her career.  She last appeared on the series October Road, which was cancelled in May 2008.

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