• Tori Spelling revealed that she slept with her “Beverly Hills, 90210” co-star Jason Priestley on “Tori Spelling: Celebrity Lie Detector.”

Tori Spelling revealed that she slept with her “Beverly Hills, 90210” co-star Jason Priestley on “Tori Spelling: Celebrity Lie Detector.” (Photo : Instagram/Tori Spelling)

During the "Tori Spelling: Celebrity Lie Detector" episode that aired on Oct. 3, Saturday, on Lifetime, Tori Spelling revealed that she had slept with Jason Priestley and was kissed by Luke Perry, who are both her "Beverly Hills, 90210" co-stars.

Strapped to a lie-detector test, Spelling answered sensitive questions from a polygraph expert. She revealed that she had slept with her "Beverly Hills, 90210" co-star Brian Austin Green, who also was her former boyfriend.

Like Us on Facebook

Before confessing to having had a relationship with Priestley, Spelling said, "Half my friends don't even know this."

"It was a summer fling," Spelling said. "It was off set. It was our version of, like, a summer romance, the (Beverly Hills) '90210' version and that was it."

Spelling said she and Priestley stayed as great friends for the rest of the run of "Beverly Hills, 90210" and emphasized that beyond that, they just had "that one summer fling."

Recently, Spelling voiced Pirate Princess in the TV series "Jake and the Never Land Pirates." In 2014, she also played Holly Hamilton in the TV series "Mystery Girls," which also starred Ryan McPartlin, Miguel Pinzon and her "Beverly Hills, 90210" co-star Jennie Garth.

Currently, Priestley is filming the upcoming 2016 TV series "The Wonderful Warneys" while Perry is set to appear with "Empire" season 2 star Kaitlin Doubleday and "Hawaii Five-0" alum James Marsters in "Dragon Warriors," which will hit theaters on Oct. 10.

As for Green, he starred in several TV series after "Beverly Hills, 90210," including "Stacey Stone," "Freddie," "Terminator: The Sarah Connor Chronicles," "Desperate Housewives," "Wedding Band" and "Anger Management."