The Dancing With the Stars couple is also still reveling in welcoming their first child just after the New Year.
“To my best friend…my partner, for the remainder of the most incredible years to come,” Peta captioned an Instagram photo. “You are forever the light that makes my soul ignite, you’re the text book definition of my true soul mate. I never believed in one until I met you. My love for you is never ending #HappyBirthdayMaks”
In case you missed it, Peta recently got really real about post-pregnancy bodies.