updated 02/01/2013 AT 7:00 AM ET
•originally published 02/01/2013 AT 8:00 AM ET
But there’s one thing he’s still lacking: mastering the art of diapering.
“I have never changed a diaper before, so I may need some help learning,” Tatum, 32, told PEOPLE at Thursday’s New York premiere of his new movie Side Effects, presented by the Cinema Society and Michael Kors.
“I don’t have friends who have kids, so it’s going to be an interesting experience to learn how to change a diaper. I hope I don’t have any problems where the diaper falls off and the baby [poops] on the ground,” said PEOPLE s Sexiest Man Alive, whose baby with wife Jenna Dewan-Tatum, 32, is due this summer.
“But once the baby is born, I’ll definitely do the diaper changing. If it means touching the [poop] and getting peed on, I’ll still do it. I’m up for the challenge.”