Garth and Thiessen 's friendship has since come to an end .
Thiessen served as maid of honor at 90210 co-star and best friend Jennie Garth 's 2001 wedding to actor Peter Facinelli , with whom she co-starred on Fastlane .
co-star and Thiessen 's friendship has since come to an end .
Thiessen served as maid of honor at 90210 co-star and best friend Jennie Garth 's 2001 wedding to actor Peter Facinelli , with whom she co-starred on Fastlane .