Jay DeMarcus and wife Allison welcomed a son, Dylan Jay DeMarcus, on Friday, July 20 in Nashville, his rep confirms to PEOPLE.

By peoplestaff225
Updated July 21, 2012 12:15 PM
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The littlest rascal has arrived!

Jay DeMarcus and wife Allison welcomed their second child, son Dylan Jay DeMarcus, on Friday, July 20 in Nashville, his rep confirms to PEOPLE.

The baby boy arrived at 4:02 p.m., weighing in at 7 lbs., 11 oz. and is 20½ inches long. Allison, 35, and Dylan are “doing well in a local hospital,” the rep tells PEOPLE.

Although DeMarcus, 41, was in Detroit for a Rascal Flatts performance Friday, he flew to Nashville just in time to welcome his son into the world.

He returned to Detroit hours later for the show — and didn’t have time to take off his hospital scrubs beforehand — but plans to fly home to his family as soon as possible.

Dylan joins big sister Madeline Leigh, 19 months.

DeMarcus and his wife — a CMT personality and former Miss Tennessee — married in 2004. They announced the pregnancy in January.

— Eileen Finan and Evan Lambert