Brittany Matthews and the Kansas City Chiefs quarterback are expecting their first child together, a girl
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Brittany Matthews is sharing a "Baby Daddy" appreciation post!

The fitness trainer, 25, shared a pair of photos with fiancé Patrick Mahomes on Instagram Thursday, in which she cradles her growing bump as the couple smiles for the camera.

"Haven’t posted a photo with this guy in a while, so here’s my Fiancé, Baby Daddy, Dog Daddy & Bestfriend🥰❤️ Hehehe love ya lots😍," the Brittany Lynn Fitness owner said in the caption.

The Chiefs quarterback, 25, commented on the post with two emojis: "😍😍."

On her Instagram Stories, Matthews also said that she had recently spent some time organizing the little one's room, sharing a brief clip of a drawer being opened to reveal it's full of diapers.

Brittany Matthews, Patrick Mahomes
Brittany Matthews, Patrick Mahomes
| Credit: Brittany Matthews/Instagram

The Super Bowl champ popped the question to longtime girlfriend Matthews in September, and the couple announced they are expecting their first child together later that month.

″Mom & Dad, taking a small detour to the wedding❤️," Matthews wrote on Instagram at the time, sharing a photo with Mahomes and a sonogram.

The pair, who met at Whitehouse High School in Whitehouse, Texas, and went to prom together in 2013, have since revealed that they are expecting a baby girl.

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Earlier this month, Matthews held a baby shower in Texas attended by friends and family.

"Showering Baby Girl was the BEST💕 Thank you to my amazing friends & family that stayed safe and came, I love you all so so much🙏🏼🙌🏼," she wrote on Instagram, sharing photos of the event — which included an epic pink balloon display that said, "Baby it's cold outside."

Matthews was joined by her friends, family members, and her soon-to-be mother and brother-in-law — and explained that she and her loved ones had all "quarantined and been COVID tested" ahead of the party.

In another post, the mom-to-be said it was "such a perfect day."