Backstreet Boys star Kevin Richardson is a dad again following the birth of his second child on Wednesday (10Jul13). The singer and his wife Kristin welcomed a baby boy, who weighed in at a "stout" nine pounds, eight ounces (4.3 kilograms). The proud dad took to his Facebook.com page to announce the happy news, writing, "Special delivery! Another Richardson boy... Maxwell Haze Richardson decided to join the party. Love! Love! Love!" Maxwell joins his six-year-old big brother Mason, and becomes the sixth baby born to the members of the Backstreet Boys - Howie Dorough has two kids, Brian Littrell one and A.J. McLean's firstborn, daughter Ava Jaymes, arrived in November (12).