The television personality, 35, was spotted visiting a supermarket in Brea, California, on Friday, March 22, where her belly was barely visible as she opted for a "flowy, long-sleeve, maroon top, black leggings and black sneakers."
Christina, who sported her hair in a loose ponytail and wore dark sunglasses, was later spotted beaming as she exited the store with a bag of groceries.
As we previously reported, Christina shared an Instagram post on Friday, March 22, to announce her pregnancy.
Alongside a photo of herself and her husband holding a sonogram image, she wrote at the time, "@ant_anstead and I are so excited to announce #babyanstead coming this September."
Take a look.
Ant, 39, for his part, shared a collage of his and his wife's children from their previous relationships; Amelie, 15, Archie, 12, Taylor, 8, and Brayden, 3, featuring a small ultrasound photo at the center.
Check it out.
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The couple, who started dating in October 2017, became married on December 22, 2018, in an intimate wedding ceremony at their home in California.
Christina was previously married to Tarek El Moussa (April 17, 2009-2016).