American Idol Alum Kimberly Caldwell and Husband Jordan Harvey Welcome Daughter Houston Mae

Harlow Monroeis officially a big sister!

NBC’sCalifornia LivecorespondentKimberly Caldwelland husbandJordan Harveywelcomed their second daughter on Tuesday, Feb. 18, a rep confirms to PEOPLE exclusively.

Houston Mae Harvey was born at 9:20 p.m., weighing in at 6 lbs., 2 oz. She measured 18 inches long.

TheAmerican Idolalum, 37, and pro soccer player are already parents to 4-year-old Harlow, whom they welcomed in October 2015.

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TheIdolseason 2 contestant first announced that she was expecting her second child with Harvey, 36, in August.

Later that month, the excited parents — who tied the knot in December 2014 in Palm Springs, California — hosted afiesta-themed “gender reveal party"with a piñata and all. The celebration was complete with a fun scavenger hunt created for Harlow to solve, which led her to a pinkJoovy kids' strollerindicating her new sibling would be a sister.

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They were then sent home with gift bags stuffed with various self-care goodies like Aloisia Marie Beauty’s7-Day Skin Care Systemsets, gift cards forShiptmemberships andSqueezemassages,Guess sunglasses,Drybar productsand items from Caldwell’s lipstick line,Willa & Lucille.

source: people.com