Gabby Barrett and her fellow musician husband Cade Foehner are now parents of three. She gave birth to their second daughter, and third baby overall, on Saturday (Feb. 17), according to a post shared to social media. Barrett hasn’t shared any of her children’s faces, and she’s keeping that rule in place for baby No. 3, but she did celebrate the newest arrival with a close-up photo of the baby’s feet. The “Glory Days” singer also shared some of the details of her daughter’s birth, as well as her name. “Our third baby arrived earth side early this morning, at home. Another life to love and cheri…