Zac Brown is no longer the only man in the Brown brood.

The front man for the Zac Brown Band and his wife Shelly welcomed baby boy Alexander Frost Brown on May 5.

Weighing in at 11 lbs., 7 ounces, baby Brown joins a family of 4 little sisters.

“Baby makes 7!,” Zac and Shelly announce in an official statement via People magazine. [We] are pleased to announce the arrival of Alexander Frost Brown.”

Zac, who is one of 12 children, joked in 2011 that he and Shelly are “gonna keep on going until we get a boy.”

The country couple are also parents to Joni Mason, 3, Georgia Sloan, 4½, Lucy, 5½, and Justice, 7.