September 04, 2012 03:15 PM

Mark Sullivan/WireImage

It’s another little chick!

Emily Robison welcomed her fourth child, Violet Isabel Strayer, on Tuesday, Sept. 4, her rep confirms to PEOPLE exclusively.

Violet, who is the first child together for the Dixie Chicks and Court Yard Hounds musician and boyfriend Martin Strayer, arrived at 3:01 a.m. weighing in at 8.5 lbs.

“Mom and baby Violet are doing well and Dad couldn’t be happier,” her rep tells PEOPLE.

Robison, 40, is also mom to twins Juliana Tex and Henry Benjamin, 7, and son Charles Augustus, 9½, with ex-husband Charlie Robison.

— Sarah Michaud with reporting by Kevin O’Donnell

You May Like