Emily Robison Emily Robison

Dixie Chicks' Emily Robison welcomed daughter Violet Isabel Strayer on Tuesday, People reports.

Violet is the first child for Robison and boyfriend Martin Strayer. The couple both perform together in the country-folk duo Court Yard Hounds, along with Robison's sister Martie Maguire.

Dixie Chicks' Emily Robison expecting her fourth child

"Mom and baby Violet are doing well and Dad couldn't be happier," her rep told the magazine.Robison is already the mother to twins Juliana Tex and Henry Benjamin, 7, and Charles Augustus, 9, with her ex-husband Charlie Robison.