After performing their ACM Award-winning duet, "When I Said I Do," in Las Vegas last weekend, Clint Black and wife Lisa Hartman Black spilled the beans about the child they're expecting. "This is our daughter's first concert!" Black told the crowd, according to his official website. Due in May, the baby is their first child. Black wrapped up his D'lectrified Tour Dec. 7-9 at the Las Vegas Hilton. He plans to take some time off next year to spend with his growing family.