The burgeoning model (and Alec Baldwin's daughter) shows off her ripped midriff while hanging with friends at a home gym.
Kerr does her body good with some casual backyard yoga, posting: "Feels so good to stretch it out #yoga"
The E! star posted this throwback photo to get herself into the fitness groove, writing, "#tbt gotta get back to this workout grind"
The Don't Be Tardy star, pregnant with her fifth child with hubby Kroy Biermann, posted this photo of her growing belly while hitting the gym.
The reality star has kept her Instagram followers up to date on her post-baby body, showing off her arm muscles and flat tummy.
NEXT GALLERY: Couples Who Stay Fit Together