Beverly Hills 90210 Star Shannen Doherty Turns 40! Beverly Hills 90210 star Shannen Doherty turns 40 this week, and we're checking in on her and the rest of the original cast. From Shannen's milestone b-day to Tori Spelling's most recent pregnancy announcement, find out what Brenda Walsh and the rest of the kids from West Bev have been up to!