Article continues below advertisementTeen Mom star Jenelle Evans is ringing in her 34th birthday with a major transformation: a full mommy makeover!"I've been keeping a little secret 👀✨ It feels so good to finally share this with you guys!" Evans, 33, wrote in a lengthy caption posted via Instagram on Thursday, December 18. "After 3 pregnancies, work outs, and eating clean my body still needed some extra help, especially with diastasis recti (a mom pouch), which a lot of us deal with after we have kids. No amount of exercise fixes this.