This Incredible 13-Year-Old Lost 100 Pounds Before Prom – WATCH

Inspiration comes in many shapes and ages.

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John Glaude has teamed up with Quest Nutrition to share inspiring transformation stories from all over the country. After reaching viral status with his “My Biggest Insecurity: Loose Skin” video, he’s ready to humanize the struggles of others grappling with weight issues. The series is called “Transformation” and the first episode focuses on super-inspiring teenager Mackenzie Walker. She’s anything but your typical teen – watch her episode below and check out new episodes of Transformation on the Quest Nutrition YouTube channel every Tuesday.