Get it, girl!

Amber Portwood has not been shy about sharing the struggles she's faced on her weight loss journey, and she's been very open with fans about her weight gain over the years. She also admitted to getting plastic surgery and revealed that she started training in MMA in order to get her reach her body goals, and now she's showing off the results!

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The 27-year-old shared a selfie where she showed off her waist in a crop top — and she looked tinier than ever in the sexy snap.

"Keep working and don't give up and you can reach your goal!! Keep it up loves we can do this! #beautifulsouls #MMA #NeverTooLate sending love," she wrote.

Amber underwent a "mommy makeover" last fall — which included a breast lift and body contouring. But in a previous season of Teen Mom OG, she opened up about her nearly 30-pound weight gain as a result of the medications she was taking for her borderline personality disorder.

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But it looks like Amber has found a fitness and diet regimen that works for her and it looks like she's feeling a lot more confident in herself because she's been posting a ton of selfies — and her fans are loving her new look!

She also recently shared this photo, which she captioned, "Beautiful day in California!! Sending all my love."

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Her followers flooded the comments with compliments — one reading, "Girl [you] look fabulous!!!!" and another one, "[Your] journey has been amazing. We all knew [you] had it in you!"

Scroll through the gallery below to see Amber's transformation through the years!