Martie Maguire of the Dixie Chicks gave birth Friday (July 25) to a daughter, Harper Rosie Maguire, in Austin, Texas. According to the band's Web site, the baby weighed 7 pounds, 10 ounces. Maguire and her husband, actor Gareth Maguire, were married in 2001. Their twin daughters, Eva Ruth and Kathleen Emilie, were born in April 2004. In a statement, the band said, "Martie is doing very well, and Gareth and the family are over the moon."