Backstreet Boy member Howie Dorough and his wife Leigh became second-time parents when they welcomed another son on Feb. 16. "My beautiful wife Leigh and I are so proud to welcome our son to the world," the singer told Us. "Holden surprised us by arriving three days ahead of schedule at 6:37 a.m., at 6 lbs., 15 oz. and 20 inches long." The couple are already parents to son James Hoke.