Imgur user theblankthought was 323 pounds. But she didn't realize how out of hand her weight had gotten until 2014, when she needed to buy a new dress to attend a wedding.
"I remember going into the dressing rooms and crying.. Unable to fit into one of the largest dress sizes they had," she wrote in an Imgur post. "It was at that moment I said enough was enough."
RELATED: The 13 Most Inspiring Before-and-After Weight Loss Success Stories
She said goodbye to her beloved pizza and other pre-made or processed foods--and subbed in real vegetables, fruits, and protein in her diet. She also began exercising daily with fun workouts like Wii fitness and Zumba cardio. Then, the weight began to melt away.
"Every time I watched a pound drop it felt like for the first time in my life I was making something out of myself," she wrote. "It felt like I was doing right for me. I was showing love for myself by taking care of my body. I never in a million years thought I could have done this."
RELATED: 'Even My Long Dresses Couldn't Hide the Truth About My Weight...But Then I Lost 275 Pounds'
After a year and 8 months, she had lost a whopping 150 pounds. And boy, does it show!
Lost 150 pounds in 1yr8mo! Result pictures
NEXT: See the most jaw-dropping celebrity weight loss transformations below.
The beloved singer's weight has fluctuated since she won American Idol, but she's gotten into kickboxing. That's her on the left in 2015 before getting pregnant with her second child, and on the right in October 2016.
Getty Images; Instagram
Your life just got exponentially better and more stylish now you've signed up for our newsletter. Fabulousness awaits!