Tiffani Thiessen video slide show. Tom Spar/66.

Tiffani Thiessen. Thiessen served as maid of honor at 90210 co-star and best friend Jennie Garth's wedding to actor Peter Facinelli, with whom she co-starred on Fastlane, but their friendship has come to an end.Thiessen's friendship with fellow 90210 star Tori Spelling also broke up, after Spelling's split from her first husband. In 2013, Thiessen participated in the One Bag party for April for Earth Month, in which Glad promoted "clean, green living".