Tracy Anderson may be a trainer for stars like Gwyneth Paltrow and Jennifer Lopez, but she understands that each and every fitness journey is personal and inspiring. That’s why she posted a before-and-after photo on Instagram and shared a rare glimpse at her own fitness transformation with followers on Aug. 1. The snap gives a side-by-side look at 20-year-old Tracy and 43-year-old Tracy, and the fitness entrepreneur credited her physical change to her own methodology.