Dixie Chicks star Emily Robison is pregnant with her fourth child.
The singer will welcome the latest addition to her brood in September. The baby will be her first with boyfriend Martin Strayer.
Her representative tells People.com, "She's excited!"
Robison, 39, has seven-year-old twins, Juliana and Henry, and a nine-year-old son, Charles, from her marriage to Charlie Robison. The former couple divorced in 2008 after nine years of marriage.