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OTRC: Kelly Preston's support system: Scientology, John Travolta, Kirstie Alley and family

Kelly Preston and John Travolta appear in an undated photo on the actress' official website. (KellyPreston.com / Michael Doven)

Kelly Preston says Scientology is among the things that helps her cope during hard times, more than two years after her and husband John Travolta lost their teenage son Jett.

The boy, who was autistic, died in January 2009 at age 16 after suffering a seizure at the family's home in the Bahamas. After his death, the couple formed the Jett Travolta Foundation, a charity that supports and raises awareness for children with special needs.

Asked who she turns to "when times are tough," Preston told Heath magazine in an interview published in its September 2011 issue: "Johnny is definitely my rock. Kirstie (Alley) is one of my absolute best friends. My mom, my brother. And to be honest, the Scientology center. I don't know if I would have made it through without it. We've been able to navigate through it and to come to a place that is a lot better."

The Church of Scientology was founded in 1954 by science fiction writer L. Ron Hubbard. Preston, 48, and Travolta, 57, have been a part of the religion for years, along with fellow celebrities Kirstie Alley, Travolta's co-star from the "Look Who's Talking" movies and a friend of his family, and Tom Cruise and wife Katie Holmes.

Preston and Travolta are also parents to daughter Ella Bleu, 11, and son Benjamin, who was born in November 2010. At the time, the actor told Hello! magazine that the couple's new baby has given the family's home a "renewed spirit and purpose."

Travolta, Preston and the pair's daughter are all set to star with Lindsay Lohan in the 2012 crime drama movie "Gotti: In the Shadow of My Father," previously called "Gotti: Three Generations." The film which tells of the life of mob boss John Gotti and his son.

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