By Emily Rome
Updated September 04, 2012 at 08:29 PM EDT

Emily Robison of the Dixie Chicks and Court Yard Hounds gave birth to her fourth child, Violet Isabel Strayer, on Tuesday, People reports.

“Mom and baby Violet are doing well and Dad couldn’t be happier,” Robison’s rep told People.

Violet is Robison’s first child with boyfriend Martin Strayer. She is also mother to three children she shares with her ex-husband, Charlie Robison.

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