‘Step by Step’ Stars Reunite 28 Years After Beloved Sitcom Ended

Step by Step stars Patrick Duffy and two of his onscreen daughters, Christine Lakin and Staci Keanan, recently reunited 28 years after the beloved sitcom ended.

On Wednesday, December 31, Duffy, 76 — who played Frank Lambert — appeared alongside Lakin, 46 (Alicia “Al” Lambert), and Keanan, 50 (Dana Foster), in a photo shared via Instagram. Al was Frank’s biological daughter, while Dana was his stepdaughter, the daughter of Carol Foster, played by Suzanne Somers.