Amber Portwood has every reason to be flaunting her 36-pound weight loss, because she looks great!

The 25-year-old "Teen Mom OG" star took to Twitter on Monday to reveal the news with a slimmed-down photo of herself. "36 lbs down and 15 more to go," she wrote. "Almost at my goal."

The impressive weight loss left her fans wondering exactly how she did it and just how long it took, and the replies couldn't come in fast enough.

"It took about 4 month's...but I fell off for a couple weeks," Portwood revealed to one curious fan. As for how she did it, she simply just started eating healthy. "Cut out bad carbs like sugar and cut down on pasta to start," she wrote to another fan. "Also try not to eat trans fat."

The last time we really saw Portwood out in public was at the MTV Movie Awards back in April, according to Us Weekly. Given that was four months ago, it seems she really stuck to her new diet well!

Portwood, who has a six-year-old daughter Leah Shirley and is engaged to Matt Baier, is now happy and healthy, according to the Daily Mail. The two have not yet set a wedding date, but she dished on what her dream wedding would entail in June.

"I know for sure, my cousin Krystal would be the maid of honor at the wedding because she's the closest person to me. She's like my best friend," she told MTV at the time. "And of course I want all the Teen Moms, all the girls, I want them to be my bridesmaids. I mean, they have to be a part of it."

She and Baier met in 2013 after a rough time in her life when she served 17 months in jail for drug related charges, but she's proven on more than one occasion that she's only grown from her bad experiences, and she couldn't be happier with how her life is going now.