Kevin Costner and his son, Hayes, spoke with ET at the 'Horizon: An America Saga' premiere about working with each other on the film.
Isabelle Fuhrman chats with ET at the Los Angeles premiere of 'Horizon: An American Saga - Chapter 1,' in theaters on June 28.
Hayes Costner chats with ET at the Los Angeles premiere of 'Horizon: An American Saga - Chapter 1,' in theaters on June 28.
Kevin Costner hit the 'Horizon: An American Saga' premiere on Monday with five of his seven children in tow!
Kevin Costner chats with ET at the Los Angeles premiere of 'Horizon: An American Saga - Chapter 1,' in theaters on June 28.
Joan Vassos, the first-ever 'Golden Bachelorette,' recently revealed she has a crush on Kevin Costner.
In Kevin Costner's new movie, 'Horizon: An American Saga,' his son, Hayes, plays Nathaniel Kittredge.
Jamie Campbell Bower chats with ET about his new film, 'Horizon: An American Saga - Chapter 1,' in theaters on June 28.
Read ET's complete timeline of the behind-the-scenes drama with series star Kevin Costner and details of season 5B.
Kevin Costner opens up about exiting 'Yellowstone' while promoting 'Horizon: An American Saga - Chapter 1,' in theaters on June 28.
Chapter one of 'Horizon: An American Saga' hits theaters on June 28.
Kevin Costner tells Kelly Clarkson he fought for Whitney Houston to sing 'I Will Always Love You' a cappella in 'The Bodyguard.'
Kevin Costner tells ET how 'Yellowstone' works into his career legacy.
Kevin Costner recently took to Instagram to confirm that he would not be returning to ‘Yellowstone.’
