Shannen Doherty is going from Beverly Hills to Riverdale.
The "90210" star is guest-starring on the season 4 premiere of "Riverdale," a stand-alone episode that will pay tribute to Luke Perry.
"I am deeply honored to pay tribute to Luke on Riverdale," Doherty wrote on Instagram. "The care in which this show takes in honoring his memory is beautiful. He is missed. Today. Tomorrow. Forever."