They have a fun and fascinating community of people on their boards.
That's more than 350 hours!!! Fast forward today and Abby has inspired many women to follow their own fitness journeys.
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She was suffering from under-eating, so knew that the only way to feel healthier and happier would be to change her attitude towards her diet.
She also struggled with bulimia.
Now, though, the 23-year-old looks slim and strong, and has a round, firm-looking backside that would be right at home in the Kardashian households.