1: "Kevin Costner's departure from Yellowstone confirmed."

2: "The actor announced his exit from the hit show."

3: "Fans mourn the loss of Costner's character, John Dutton."

4: "Speculations arise on the future of Yellowstone without Costner."

5: "Costner's decision to leave the show shocks viewers."

6: "The actor's statement leaves fans in disbelief."

7: "Yellowstone faces uncertainties without Costner's presence."

8: "Costner's absence creates buzz around the show's upcoming season."

9: "Viewers prepare for a Yellowstone without Kevin Costner."