Kevin Costner shuts down question about Yellowstone co-star Luke Grimes' recent dig: 'We're done talking' - Yellowstone star Luke Grimes says Kevin Costner departure made for 'easiest season we've filmed' - Yellowstone star admits 'we lost our quarterback' after Kevin Costner exit - Yellowstone star admits 'we lost our quarterback' after Kevin Costner exit - Kevin Costner's Yellowstone Fate Came Earlier Than Expected--Almost Hilariously So - Yellowstone star Kevin Costner isn't happy about how John Dutton left Paramount series - Kevin Costner lauds Liz Cheney despite Trump win: 'We should applaud her. We should protect her' - Kevin Costner TooOOotally Didn't Know That Yellowstone Aired This Week - 'We miss him': Yellowstone cast reacts to Kevin Costner's absence in final season - 'We miss him': Yellowstone cast reacts to Kevin Costner's absence in final season