Nicole Perez-Krueger said it will be the first child for the singer and her husband, rodeo champion Ty Murray.
Jewel, 36, and Murray were married in 2008.
Jewel is the co-host of the Bravo reality talent series, "Going Platinum" for singer-songwriters. The show is set to debut later this year. Former "American Idol" judge Kara DioGuardi is set to co-host the show with Jewel.
The Associated Press contributed to this report.
