Kevin Costner, beloved star of "Yellowstone," has announced that he will not be returning for the second half of the show's final season. Despite his love for the series, Costner realized he could not continue due to his commitments to the upcoming "Horizon" project. Fans were saddened by his decision, as he portrayed the iconic patriarch John Dutton and became a fan favorite. Costner's exit comes as the show's last season is set to return on November 10 after a production delay caused by the writers' strike. In a recent interview, Costner expressed his willingness to return to "Yellowstone" if he liked where the story was going. As fans prepare to say goodbye to John Dutton, they can look forward to seeing Costner on the big screen in the future.