The "Beverly Hills, 90210" star also details their rocky start on the set of the 1990s teen drama.

The two had shared a close friendship, with Thiessen even being a bridesmaid at Garth's wedding to Peter Facinelli.

Jennie Garth reveals her friendship with Tiffani Thiessen faded after years of closeness, sharing new details in her memoir ...

Time has a way of reshaping even the closest bonds, and for Jennie Garth, one of her most cherished friendships The Jennie ...

Tiffani Thiessen is mourning the loss of her father, Frank Thiessen, who died at the age of 85. “My Dad was a lover of many things. Animals, plants, chocolate, jazz, anything citrus, lottery tickets, ...

Jennie Garth is setting the record straight about where things stand with her former Beverly Hills, 90210 costar Tiffani ...

Thiessen is sending both her kids to sleepaway camp and partnering with Welly to make sure other sleepaway camp kids have everything they need Instagram/tiffanithiessen; Welly Health PBC Tiffani ...

BEVERLY HILLS, 90210, from left: Luke Perry, Tiffani Thiessen, ‘Ode to Joy’, season 10, ep. 27, aired 5/17/2000, 1990-2000. Carin Baer/©20thCentFox/Courtesy Everett Collection. It probably didn’t help ...

If you purchase an independently reviewed product or service through a link on our website, SheKnows may receive an affiliate commission. The ’90s are making a comeback — in fashion, makeup, and now, ...

Speaking with PEOPLE about her partnership with Chili's, the 51-year-old actress says the collaboration is "very nostalgic" for her Courtesy of Chili's Tiffani Thiessen is partnering with Chili's to ...

Garth recalled instantly being put off by Thiessen when the Saved by the Bell alum joined the cast of 90210 in the show's ...