Oliver Hudson: My Little Boy Is Just Like Me

When OK! caught up with Rules of Engagement star at CBS’ Monday Night Premiere Party at West Hollywood's AREA nightclub, the handsome actor, and big brother to , opened up about the glories of being a father.

"He stays up all night," Oliver, who just turned 31, revealed to OK!, referring to newborn son Wilder Brooks, who was born on Aug. 23. But, according to the actor, who plays married dude Adam on the hit CBS show, the baby boy is just a chip off the old block. "When I was a baby, I didn’t want to go to sleep; I think he got that from me."

But all in all, Oliver tells OK! that it's worth the hassle to him and his gorgeous wife of one year, actress Erinn Bartlett. "He’s a beautiful little thing.”