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Three years ago, Victoria's Secret model Erin Heatherton abruptly and mysteriously walked away from the world famous lingerie company. Now we know why.

Erin said she was told to lose weight, so rather than walk the runway a bit thinner, she just decided to walk.

The blonde bombshell regularly starred in the lingerie company's fashion shows and catalogs from 2009-2013.

In an interview with Time Magazine, Erin said, "My last two Victoria's Secret shows, I was told I had to lose weight."

Her response: "I look back like, 'Really?'"

The 27-year-old leggy model said she was working out twice a day to prep for the legendary Victoria's Secret show, but she couldn't reach the weight goal that was specified for her. The 2013 show would be her last.

"I was really depressed because I was working so hard and I felt like my body was resisting me," she recalled. "And I got to a point where one night I got home from a workout and I remember staring at my food and thinking maybe I should just not eat."

After some self-evaluation, Erin, who modeled for Sports Illustrated's Swimsuit Issue in 2015, decided it was best to end her deal with Victoria's Secret, a move which she said was the right thing for her and let her see who she really was.

"I realized I couldn't go out into the world—parading my body and myself in front of all these women who look up to me—and tell them that this is easy and simple and everyone can do this," she said.

Erin recently took to Instagram to explain her decision.

"The breakdown to breakthrough moment in my life has allowed me to become the truest version of myself. In my moment of 'failure,' I stood in the face of adversity," she said. "I was struggling with my body image and the pressures to fulfill the demands of perfectionism upon me. I am not perfect. Through this struggle, however, I found the strength to love myself. I stood in my power."

If you think she harbors ill will because of that moment, think again.

"I look back on that moment now, and I embrace it. This feeling I once perceived as 'failure' was, in truth, a powerful awakening for me to stand behind my purpose in life."

She continued, "I stepped away from hiding behind a fabricated version of myself. I no longer put actions behind my fears and insecurities. I made a choice to redirect my energy to be a catalyst for change. To create a channel for women to become the truest versions of themselves, along with me."