What Does It Take To Be "Model Fit"?

Heather Marr is one of the most sought-after personal trainers in the world, for none other than the most beautiful creatures in the world: models. We've gone to her with questions about how to socialize and dine out the healthy way and about the infamous butt-or-face exercise conundrum (thanks, Heather!). With Tatiana Boncompagni (another fave CB contr…