Kevin Costner ‘in Crisis’: ‘Yellowstone’ Star ‘Crushed’ as Marriage and Career Collapses

“Kevin paid her lip service by demanding a more favorable shooting schedule on Yellowstone,” said the source. “But then he threw gasoline on the fire by using that time to focus on his Civil War project.”

The Oscar winner began filming the second installment of his new four-part Civil War epic, Horizon: An American Saga, with sources revealing that led to Christine throwing in the towel on their marriage.