Congratulations to Zac Brown and his wife, Shelly! The pair welcomed their fifth child – and first son! – on May 5. Alexander Frost Brown joined his four older sisters – Justice, Lucy, Georgia and Joni – weighing in at 11lbs, 7oz. and measuring 22.5 inches. Zac shared the good news on Twitter. “Zac & Shelly Brown are pleased to announce the arrival of Alexander Frost Brown! Born May 5, 2014.” The couple announced their pregnancy in November and confirmed a week later they were expecting their first boy. Zac Brown Band will spend the summer crisscrossing the country on their Great American Road Trip Tour, and will release The Grohl Sessions Vol 1 CD and DVD package on May 19.