Heidi Pratt/Instagram
Katherine Richter
May 14, 2017 05:33 PM

Heidi Pratt shared a photo of her growing baby bump on her Instagram Sunday.

The Hills alum, 30, and her husband of eight years, Spencer Pratt, will welcome a son this October, a source confirming the sex to PEOPLE on Wednesday.

“#happymothersday ! So excited to celebrate my first Mother’s Day!🤰🏼 #blessed 🙏🏼,” she wrote along with her photo. “Thank you to all you beautiful amazing moms for your endless love and dedication! 💖 missing my mommy!”

In April, multiple sources confirmed that the couple are expecting their first child, with one source close to them telling PEOPLE, “They’re beyond thrilled!”

Added the source, “Heidi has wanted this for so long and they’re finally on the same page. They’re so excited and she’s feeling good.”

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FROM PEN: How Princess Kate Is Changing the Royal Parenting Rules

And Montag isn’t the only Hills alum who is growing her little family. Former cast mate Audrina Patridge welcomed her first child, daughter Kirra Max, last June, and Lauren Conrad is currently expecting her first child with husband William Tell.


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