Two of the Dixie Chicks are expecting babies in 2004, according to the band's Web site. Natalie Maines and husband Adrian Pasdar anticipate their second child; their son Slade is 3. No due date is given. In addition, Martie Maguire and her husband Gareth expect twin girls later this year. One of them will be named Kathleen, after Gareth's sister, who died in a car accident seven years ago.