Kevin Costner EXPLAINS Yellowstone Exit: Time to Move On ( Exclusive)

Kevin Costner sat down with Extras Billy Bush to talk about his new Civil Warera Western Horizon: An American Saga, a fourpart project that he spent 38 million of his own fortune to make. The first chapter is in theaters June 28 and follows a group of pioneers led by Sienna Miller, Sam Worthington, and Luke Wilson as they battle for life in the American West. Kevin also opened up about his decision to move on gracefully from Yellowstone and being proud of what he was able to do with it. Plus, he spoke about the royal dream he had once hoped to make come true getting Princess Diana to make her film debut in a sequel to The Bodyguard with Whitney Houston.