Joey McIntyre has a new kid in his family: The singer and his wife, Barrett, have welcomed their second child.People reports. The baby tipped the scales at 7 pounds, 10 ounces, the proud father tweeted."New Baby Mac is on the Block!! ... He and his mom are both rock stars:)" McIntyre, 36, wrote.New Kids on the Block member and Barrett are also parents to 2-year-old son Griffin.