Kevin Costner broke his silence on the Yellowstone drama. He denied any feud with co-star Luke Grimes. However, he confirmed they haven't spoken since his exit from the show. Grimes echoed this, stating he hasn't contacted Costner. He respects Costner's stature in Hollywood. Costner's departure mid-season five sparked rumors of on-set conflicts. The Yellowstone finale received mixed reviews, with some fans expressing disappointment.