Celebrity Parents Zac Brown Welcomes Fourth Daughter Joni Mason was born at home on Wednesday morning in Georgia, the country crooner shares By Sarah Michaud Sarah Michaud Instagram Sarah Michaud is the senior news editor of PEOPLE's music vertical. People Editorial Guidelines Published on February 3, 2011 01:40 PM Share Tweet Pin Email Photo: Mark Sullivan/WireImage It’s a fourth baby girl for Zac Brown and his wife Shelly. Daughter Joni Mason Brown was born at home on Wednesday morning, Feb. 2 outside of Atlanta, Ga., the country crooner, 32, announced via his Web site. She weighed in at 7 lbs., 14 oz. Joni joins her three older sisters Justice, 4, Lucy, 2½, and Georgia Sloan, 16 months. PHOTOS: 2011: The Year of the Baby “We’re just gonna keep on going until we get a boy, Brown, who is one of 12 children himself, recently told The Boot. “If that’s 13, then I doubt I’m gonna be able to pull that off, but we’ll see.”