Sean Penn’s Son Hopper Recalls "Butting Heads" With His Strict Dad Growing Up: "It’s Lax Now…He’s Chilled Out in His Older Age!"

Although 29-year-old Hopper says he "butted heads" with his strict father, Oscar-winning actor and director, Sean Penn, growing up, he admits, "He’s more like a buddy now ... He’s chilled out in his older age!"