Now: Karen McDougal
Karen McDougal has since chosen to focus on her fitness modeling career. She is definitely no stranger to bodybuilding and fitness magazines like Iron Man, Physical, and Muscle & Fitness. In a recent interview with Muscle and Fitness Magazine, the model explained that she goes to the gym five to six days each week and eats a clean diet with only the occasional doughnut splurge. She clearly loves her fans and answers their queries about health and fitness on her website.

Now: Karen McDougal
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Then: Tiffani Thiessen
A lot of the teen actors who made a name for themselves in the decade appeared in hit show after hit show. Tiffani Thiessen had not only appeared on Beverly Hills 90210, but she also starred in Saved By The Bell.

Then: Tiffani Thiessen