Jenelle Evans revealed her post-baby body to fans on Monday.

'Teen Mom 2' Season Six Begins Filming With Leah Calvert's Marital Issues At The Forefront

After hearing rumors regarding a possible pregnancy, the Teen Mom 2 star denied she was with child, and shared a photo of her thin frame to her many fans on Twitter.

"New rumor is I'm pregnant, or just fat they claim. Tell me what u think," Evans wrote, along with a photo of herself, standing to the side and lifting up her t-shirt.

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Evans, who welcomed her first child, son Jace, in 2009 as she filmed MTV's 16 & Pregnant season two, gave birth to her second son, Kaiser Griffin, in June.

On Teen Mom 2 season five, fans watched Evans meet and fall in love with Nathan Griffin after her divorce from Courtland Rogers. Within a year, the coupled moved in together and welcomed their first child.

Along with a second social media photo, which feature before and after shots of her weight loss, Evans wrote, via In Touch Weekly, "Same pants. Birthday (12/19/14) and now. Dropped some weight. Time to prepare for St. Thomas."

Evans will be seen in the upcoming sixth season of Teen Mom 2. Although her co-star, Leah Calvert, previously announced she would not be returning to the show, The Ashley's Reality Roundup claimed otherwise earlier this month.

No premiere date for Teen Mom 2 season six has been revealed quite yet, but the show will likely return by fall of 2015.

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Jenelle Evans