K.J. Apa & Addison Tessema on Riverdale (2021)

The Season 5 finale of Riverdale ended with a shirtless K.J. Apa. Episode 19 found the town of Riverdale undergoing many changes, along with its residents. Betty and Archie (played by K.J.) also underwent a big change in their relationship as sparks flew once again and the two headed into the bedroom. Archie's shirt came off as the two made out on his bed, until they realized that there was a bomb planted underneath the bed, just before the episode came to an end. The episode also showed off the chest of guest star Addison Tessema who was clad in an open vest for his role as a gang member who is dispatched to start several fires around town.