★FitStars: Celeb Trainer Gunnar Peterson (aka the Man Behind the Kim Kardashian Booty)


Now this is an impressive Fit Bottomed client list: Kim Kardashian Jennifer Lopez, Angelina Jolie and Sofia Vergara. So it's no doubt that celeb trainer Gunnar Peterson knows what's up when it comes to getting results in the gym. Turns out, he's also a bit of a clean freak. Well, at least in the …
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