The proud mum posed for the February issue of The Australian Women’s Weekly with her darling bub.
The Biggest Loser stars welcomed their first child together just in time for Christmas on December 19 last year.
"We are thrilled to welcome our little boy into the world, Axel Bridges Willis born 19/12/15. Healthy and happy,” the first-time mum announced on Instagram.
She added: "Thank you for all the messages of love!"
The fitness guru chatted to the monthly publication about her new-found joy admitting it’s is “the best thing I’ve ever done.”
“I’ve got this mother instinct that people always talk about,” she gushed. “It’s quite fierce and protective.”
Axel is Michelle's first child and the Commando’s fourth. The duo’s newborn will join 39-year-old Commando’s three children from two separate relationships, 17-year-old Brianna, six-year-old Ella and three-year-old Jack.
The Channel Ten personality announced her baby news via social media back in July.
See all the exclusive images of Michelle and her gorgeous baby in the February issue of The Australian Women’s Weekly, on sale tomorrow.
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Australian Women's WeeklyYesterday 10:00am