It’s been only nine months since Kym Johnson-Herjavec welcomed twins with husband Robert Herjavec and she’s already showing off her impressive post-baby bikini body. The former Dancing With the Stars pro recently took to Instagram to share side-by-side photos comparing her body when she was pregnant versus her body today, almost a year postpartum.

“#9monthchallenge,” the 42-year-old captioned the pics that she shared on her Instagram Story. Her “9-month challenge” hashtag was her own personal twist on the “10-year challenge” that has recently been taking social media by storm. In the first photo, Kym sported a massive baby bump and, in the other, she showed off her amazing abs while wearing a bikini and holding daughter Haven and son Hudson in her arms. Take a look at the impressive before and after photo below!

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Instagram

This isn’t the first time that The 5-6-7-8 Diet: The 14-Day Plan for Healthy, Lasting Weight Loss author has blown us away with a post-baby body pic. Just three months following the births of her babies, Kym shared a poolside photo of herself and her kiddos while wearing a black bikini and white cover-up. Lookin’ good mama!

After undergoing IVF, Kym welcomed her little bundles of joy in April 2018 with husband Robert, 56. “Welcome to the world, Hudson Robert Herjavec and Haven Mae Herjavec — it’s great out here!” the Shark Tank star captioned the babies’ social media birth announcement at the time. “May you always know love, peace and grace in your lives. May your dreams have no bounds and your spirit be strong.”

Following the twins’ arrival, a source close to the couple dished to People that the new parents are over the moon about their babies. “Robert and Kym are so excited. And thrilled and happy about their yummy babies!” Even prior to welcoming their first kids together, an insider revealed how excited they were about Kym being pregnant. “This has been a roller coaster for them the last few years — meeting, falling in love, getting married and now starting a family,” another source told the outlet.

The insider added, “Kym has wanted to be a mom for a long time. They’re both so happy.” We’re so happy for you, Kym and Robert!