Over the weekend, Jenelle Evans shared a photo of her belly after baby.

'Teen Mom 2' Star Jenelle Evans Debuts Lip Injections?

Eight months after she gave birth to son Kaiser Griffith, the Teen Mom 2 star continues her efforts of getting her body back to the size it was before baby, and judging by the looks of things, she doesn't have much further to go.

"Now let's tone up those abs," Evans wrote on Instagram on Saturday, along with a photo of herself in a sports bra and sweat pants.

Jenelle Evans 'Gets Her Tan On' In New Beach Photos

Evans began dating Nathan Griffith in June 2013, around the time filming on Teen Mom 2 season five began. Weeks later the pair moved in together and began planning for a family of their own. Then, in June 2014, their first son, Kaiser, arrived. Evans is also the mother of Jace, 5, from her previous relationship with Andrew Lewis, and Griffith has a daughter from his previous marriage to a woman named Allison Stevens.

A photo posted by Jenelle Evans (@j_evans8209) on Jan 31, 2015 at 9:37am PST

Now, as Evans and Griffith film Teen Mom 2 season six, Evans is determined to get into tip-top shape, and has been hitting the gym hard to ensure she's camera ready.

In fact, she's reportedly so concerned with her appearance on the show that she recently went under the knife to enhance the size of her lips. Although news of the procedure has yet to be confirmed by Evans publicly, she reportedly shared the news with her Facebook fans last week.

Jenelle Evans returns to MTV in Teen Mom 2 season six later this year.

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Jenelle Evans, Teen Mom 2, MTV, Reality TV