Calling Luke Perry: Though her hirsute on-screen brother Jason Priestly will only be making a behind-the-camera trip to 90210 later this season, Shannen Doherty has finally inked to reprise Brenda Walsh for additional episodes past the four she's already completed. Says Extra, "She'll do another two episodes of the CW hit, with a possibility of more to follow." So that's where the craft services budget is going! [Extra]