Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.

I Used To Be Fat is an MTV reality series that follows overweight teens striving to achieve weight loss through means of diet and exercise. Each episode follows one teenager who is paired with a motivational personal trainer. A trainer teaches them new exercise and eating habits over the next few months while offering emotional support. Documented students share their personal trials and tribulations in the series.
Loading. Please wait...
Episode 1
Wed, Dec 29, 201042 mins
Gabriella is an overweight homecoming queen who has never felt truly happy with herself. With the help of a personal trainer she will try to conquer her size, and her controlling mother Katie, before she starts college.