While promoting his new film, The Midnight Sky, George Clooney's been sharing many stories about wife, Amal and their twins, Ella and Alexander.

Now, in a new interview with Stephen Colbert, the actor is sharing a tip with parents on how to get the kids to behave around Christmas time.

"At three years old, you're just trying to keep your kids in line in general, so I devised a way to get them to behave during this time," he told the talk show host.