The expectant reality star shared a photo of her working out in a gym yesterday, showing off not only her growing baby bump but her favorite moves for staying in tip-top shape.
The 28-year-old was seen wearing an all-black workout outfit and doing a weighted lunge in a private gym and wrote that fans can get all the details on her fitness tips on her new app.
Cavallari revealed that she is expecting her third child with NFL hubby Jay Cutler back in May, by writing, "We're at it again! The Cutler crew just keeps growin!"
And earlier this month, the former Hills star spilled the exciting news that she and Jay were going to welcome a baby girl!
Pregnant Kristin Cavallari Shows Off Adorable Baby Bump, Shares Her Workout Tips—See for Yourself!
"The boys are so excited to have a little sister..." Cavallari wrote.
The image accompanying the baby's sex announcement was predictably adorable, with her hugging her husband while holding a pair of baby pink newborn-sized sneakers in her hand.
Cavallari and her Chicago Bears quarterback husband already have a house full of boys with sons Camden Jack, 2 1/2, and Jaxon Wyatt, 1.
There's no doubt that both will step into their new roles of big brother seamlessly!