Tori Spelling is coming back to the world's most famous zip code, a show rep tells People. The star of the original Beverly Hills 90210 is close to finalizing a deal to reprise her role as Donna Martin in multiple episodes of spin-off 90210. An earlier plan for her to appear fell through, sparking rumors that an old rivalry with former co-star Shannen Doherty had resurfaced. (More Tori Spelling stories.)