The mom-to-be is expecting her third child with husband and Kansas City Chiefs quarterback Patrick Mahomes.

Brittany Mahomes is sharing a sneak peek from her maternity shoot with Balance Athletica!

The mom-to-be posted a video on her Instagram Stories Wednesday of herself wearing tie-dye sweatpants and sweatshirt, getting her hair styled for the shoot.

“Maternity shoot time eeekkkk,” Mahomes, who is expecting her third child with husband Patrick Mahomes, wrote alongside the mirror selfie.

Meanwhile, Patrick’s brother, Jackson, also posted a behind-the-scenes photo of the shoot on his own Instagram Stories.

“behind the scenes ,” Jackson wrote on the photo of Mahomes in a hoodie and a pair of tie-dye shorts, posing for the camera.

Brittany Mahomes continued posting photos as the shoot progressed, sharing another mirror selfie with her makeup done while wearing a grey Balance Athletica hoodie.

The fitness trainer also reposted a behind-the-scenes photo from hairstylist Laurabeth Clark of herself standing on her toes and smiling in another pair of tie-dye sweatpants and a white hoodie.

“Balancing in balance,” the post reads.

Mahomes third announced her pregnancy news in Friday, shortly after the couple, who began dating in their teens.

“Mom & Dad, taking a small detour❤️,” she wrote in a celebratory social media post alongside two photos with her husband, in which she held up a sonogram as Mahomes, hugged her belly.

As her due date approaches, Brittany has been taking her followers along as she sets up the nursery to prepare for her third baby’s arrival.

In footage documented on her Instagram Stories on Wednesday, Brittany gave a 360-degree view of the baby’s room, highlighting the stuffed animal–filled crib and the new wallpaper.

The nursery also has pink curtains and starry-night wall installations, plus a sign that reads “You are my sun, my moon, and all my stars.”