It's a girl! Entertainers Amy Grant and Vince Gill are celebrating the arrival of their first child, a daughter. The baby, whose name has not yet been announced, was born today, (Monday, March 12) at 12:36 a.m. at an undisclosed Nashville hospital. She weighed 7 pounds, 9¼ ounces at birth and was 19½ inches long. Grant has three children from her first marriage -- Matt, 13, Millie, 11 and Sarah, 8. Gill has one child from his previous marriage -- Jenny, 18. Grant and Gill were married March 10, 2000.