Kristin Cavallari, Stephen Colletti, Morgan Olsen, Christina Schuller, Trey Phillips, Lauren Conrad and Lo Bosworth of Laguna Beach: The Real Orange County. (Jason Merritt/FilmMagic via Getty Images)We're going back, back to the beginning: The cast of Laguna Beach: The Real Orange County is reuniting to celebrate the reality show's 20th anniversary.Tentatively titled Roku Presents: The Laguna Beach Reunion, the special, announced on Wednesday, is set to debut in 2026.