Howie Dorough is a dad — again!

The Backstreet Boy and his wife Leigh welcomed their second son, Holden John Dorough, on Saturday, Feb. 16, the singer confirms to PEOPLE exclusively.

“My beautiful wife Leigh and I are so proud to welcome our son to the world,” Dorough, 39, tells PEOPLE.

“Holden surprised us by arriving three days ahead of schedule at 6:37 a.m., [weighing in] at 6 lbs., 15 oz. and 20 inches long.”

“Holden is healthy and we couldn’t be happier,” Dorough continues.

“Leigh is such an incredible woman and mother, and our son [James Hoke, 3½] is so excited to have a baby brother. I feel so lucky to have such an amazing family.”

The couple celebrated their fifth anniversary in December.