Although Shannen Doherty left the show after just four seasons; Brenda Walsh remains an iconic character to this day. Since West Beverly, Doherty most notably played Prue Halliwell on Charmed. And to 90210 fans’ delight, she reprised the role of Brenda in The CW’s version of the show in 2008. Now, Doherty is starring in her own reality series, Shannen Says on WE tv. The show chronicles her journey down the aisle to wed fiancé, Kurt Iswarienko.