Kevin Costner confirms he is leaving 'Yellowstone'

Hours after Paramount announced the premiere date for part two of the show's fifth and final season, Costner took to social media with the news. He said that he is currently directing his focus toward working on his Western film series, 'Horizon: An American Saga'. "I just want to reach out and let you know that after this long year and a half of working on 'Horizon' and doing all the things that that's required.", Kevin Costner, via Instagram. "Thinking about 'Yellowstone,' that beloved series that I love, that I know you love..."