13 Women Who've Lost 100+ Pounds

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Stephanie Cyr

Age: 35
From: Woodbridge, Virginia

Before: 221 lb., size 14-16
Now: 119 lb., size 2-4

Pounds lost: 102

How she did it: Scrolling through old Facebook photos and seeing how much weight she'd gained inspired Stephanie to begin walking for an hour every night. Then, she added a Jillian Michaels DVD and began using the elliptical in her basement. She also tracked her calorie intake with the MyFitnessPal app.

Next: Tamyala Ezell