The singer is due in August and the baby will be the first child for her and her husband of six months, Larry Davis.
Jones has a daughter, Brionne, 6, from a previous relationship.
The big-voiced belter, who finished fourth on Season 6, will release her first solo album, So Glad I’m Me, on May 19.
For the latest on American Idol, tune into TV Guide Network’s Idol Tonight every Wednesday at 8 pm/ET and Idol Wrap every Friday at 8 pm/ET with co-hosts Kimberly Caldwell and Justin Guarini. Plus get more on your favorite Idols every Friday with American Idol Rewind at 7 pm/ET.
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