Jennifer Nettles, Justin Miller

Sugarland singer and Duets mentor Jennifer Nettles is pregnant, People reports.

Nettles and her husband, entrepreneur Justin Miller, married in November 2011. This will be their first child together.

"They are thrilled beyond belief," Sugarland's manager, Gail Gellman, tells the magazine.

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The 37-year-old country singer is due in November.

Nettles currently serves as a mentor on ABC's singing competition show Duets alongside Kelly Clarkson, Lionel Richie and Robin Thicke.