By Breaking Celebrity News Staff

It’s hard to believe that Crystal Renn was ever a plus-sized model!

The 25-year-old catwalk crawler, who was formally a role model in the plus-sized model community, can’t stop losing weight! Hitting the 9th Annual Spring Dinner Dance New Year’s In April: A Fool’s Fete in New York City on Tuesday night, the newly blonde flaunted her even slimmer figure in a Zac Posen gown – and Breaking Celebrity News has the photos and details about her supermodel to plus-sized model and back to supermodel transformation.

Crystal, who stripped down into a skimpy bikini for her first appearance in the Sport’s Illustrated swimsuit edition this year, struggled with anorexia during her teenage modeling years, which she detailed in a book she penned called Hungry: A Young Model’s Story of Appetite, Ambition and the Ultimate Embrace of Curves. 

Back in November 2010, Renn, who had enjoyed several successful years as a size 12 plus sized model, revealed that she had lost weight from hiking and yoga, and was down to a size 8 – but from the looks of her body last night, she has dropped several more dress sizes since.

The 5 ft. 9 in. model has admitted that at the peak of her eating disorder, she weighed a mere 95 pounds.

In February 2011, after her weight loss started to gain criticism, Renn blasted back on the Ford Models blog that there was nothing to worry about.

"When this whole weight loss thing happened, I think that a lot of people wanted to point their finger at somebody. I think that they wanted to find a conspiracy where there absolutely was none."