THEN: Shannen Doherty as 'Brenda Walsh'
Shannen Doherty became an overnight star in 1990 when she won the role of ultimate mean girl Brenda Walsh on the teen soap "Beverly Hills, 90210." Doherty was reportedly booted from the series in 1994 because of the friction she caused amongst the cast. —XFINITY Entertainment Staff (Photo: Fox)
The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.