Shelly Brown and Zac Brown

It's a boy (finally) for Zac Brown!

The country singer and his wife Shelly welcomed son Alexander Frost on May 5, the band announced via Facebook and Twitter Thursday.  

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"Baby makes 7! Zac & Shelly Brown are pleased to announce the arrival of Alexander Frost Brown," the statement reads. The newest arrival weighed in at 11 pounds, seven ounces.

Baby Alexander is the fifth child for the couple, and their first son. He joins sisters Joni Mason, 3, Georgia Sloan, 4½, Lucy, 5½, and Justice, 7.