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Brittany Mahomes is working out for two.

As the Sports Illustrated Swimsuit model prepares to welcome her third baby with her husband, Kansas City Chiefs quarterback Patrick Mahomes, fans are getting an update on her fitness routine.

Personal trainer Kirsty Rae shared a video of Brittany and Lyndsay Bell, wife of former Chiefs tight end-turned-NFL free agent Blake Bell, working out in a gym. Brittany, who reposted the clip on her Instagram Stories Oct. 2, is seen showcasing her baby bump in a leopard-print crop top and matching leggings as she works out her upper body.

The videos were posted several months after Brittany shared that she had fractured her back due to a pelvic floor injury.

“I obviously worked out my whole life so I had kids and then I’m like, ‘Oh I’ll just keep working out how I’ve always worked out, I’m fine,’" Brittany—who shares daughter Sterling Skye Mahomes, 3, and son Patrick "Bronze" Lavon Mahomes III, 22 months, with Patrick—said on her Whoop podcast Aug. 28. "Well, I hurt my back."

Brittany said she underwent therapy, saw a chiropractor and got X-Rays done. "In the end, a lot of people talk about pelvic floor therapy and strengthening your pelvic floor after you have kids and how important that is," she continued. "So obviously, I started to do more of that because I was injured and that’s kind of what my therapy was."

The 29-year-old also noted she wanted her fans to learn from her own mistakes.

“People out there need to know that it’s important to work on your breathing and your core techniques while you’re working out, versus lifting heavy weights and just going through the motions," Brittany said. "It starts with the inside, especially once you’ve had kids. That’s really big for me nowadays, I’ve learned my lesson."

As Brittany and Patrick continue to count down the days until they become a family of five, look back at the couple's cutest family moments with their kids...

Patrick Mahomes and his wife Brittany Mahomes took their kids, Sterling Skye and Patrick "Bronze," to Spain in June 2024.

Brittany shared this family pic featuring Patrick and their kids on Mother's Day 2024.

Patrick held daughter Sterling in this Mother's Day pic Brittany posted in 2024.

Brittany snuggled with Sterling and Bronze in the family's living room in March 2024.

Patrick and Brittany brought their kids Sterling and Bronze to meet Bluey at the Bluey Big Play Show in March 2024.

Brittany shared this pic of Patrick with their kids Sterling and Bronze in March 2024.

Sterling rang in her third birthday at a backyard party in February 2024.

The Kansas City Chiefs quarterback was joined by Brittany and their kids on the field after beating the San Francisco 49ers for the 2024 Super Bowl championship title.

The family posed for a holiday photo during Thanksgiving 2023.

After winning the 2023 Super Bowl, Patrick took the family to Disneyland.

Sterling, sucking on a WubbaNub baby cow pacifier, received a kiss from her parents during the 2023 Super Bowl victory party.

When Patrick earned a spot in Super Bowl 2023, his wife Brittany and daughter Sterling had a front-row seat to the celebration. 

Brittany—then pregnant with Bronze—and Patrick took Sterling to the pumpkin patch in October 2022.

For Halloween 2022, Patrick and Brittany's family went as "The Sun, the Moon & the beautiful Ster." 

"Happy Father's Day to this incredible Dada! We love you so much!" Brittany wrote on Father's Day 2022, while pregnant with the couple's second child.

Patrick shared this pic of Sterling on her first birthday.

Patrick and Sterling enjoyed some father-daughter time in the pool.

In June 2021 Patrick celebrated his first Father's Day as a dad, with Brittany sharing photos of their little girl.

Patrick and baby Sterling posed for another pic on a private jet.

Wheels up for the daddy-daughter duo!

Patrick kissed Sterling during naptime on the couch.

On Easter 2021, Patrick and Brittany shared this family portrait as Sterling's first photo.

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