'90210's Thiessen joins 'What About Brian'

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Tiffani Thiessen has joined ABC's What About Brian as a series regular.

Thiessen, best known for her roles as Kelly Kapowski in Saved By The Bell and Valerie Malone in Beverly Hills, 90210, will play Natasha Dylan, a "sexy, manipulative and... shrewd businesswoman who loves playing mind games and will stop at nothing to continue her success."
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