Its sloppy and lacks and clean form between her clomping transitions. High school dance class good is not real world audition acceptable. The dance career was never a possibility for her.
In her show she talks about how she peaked at 17, being the hardest worker, the best skier, the most amazing this and that, she even claims to be prom queen in an episode but she was just one if the runner ups. I doubt her TH stories, including the eating disorder one.
As soon as she was in college with out her parents keeping an eye on her diet, she was pounding down enough pizza and beer to gain 100lbs. All it took was a lack of supervision for that food issue to disappear.