Hillary Scott's publicist told UsMagazine.com the pregnant American country music star is having a girl.
She and her husband, drummer Chris Tyrrell, announced in December they were expecting their first child together.
The baby's anticipated due date has not been disclosed.
"Chris and I are excited to announce that our Christmas gift has arrived a little early this year! We are having a baby!" she tweeted late last year. "We feel so blessed!!!"
The couple married in January 2012.