At Cannes Film Festival on Sunday, Kevin Costner was the epitome of a proud father as he shared the spotlight with his lookalike son Hayes. See photos.

"I was watching him grow up and I was thinking, 'Man, I better get with it and make this movie,' " Costner told 'Entertainment Tonight' of the 15-year-old ...

Santa Barbara High boys volleyball captured a three-set sweep of Newbury Park on Friday at J.R. Richards Gym, 25-13, 25-18, 28-26. Hayes Costner hammered ...

He was joined by three of his children: daughter Grace, 14, and sons Cayden, 17, and Hayes, 15, whom he shares with ex-wife Christine Baumgartner. Costner and his kids smiled and posed for photos ...

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 ...

Getty Images for Santa Barbara I (L-R) Hayes Logan Costner, Kevin Costner, Grace Avery Costner, and Cayden Wyatt Costner The Yellowstone star has always been deeply devoted to his family ...

He was joined by three of his children: daughter Grace, 14, and sons Cayden, 17, and Hayes, 15, whom he shares with ex-wife Christine Baumgartner. Related: Kevin Costner's 7 Kids: All About His ...