You know those curves you can't get enough of that belong to ladies like Kim Kardashian and Megan Fox? There's actually a man to thank for building those bodies—it's celebrity fitness trainer Harley Pasternak. Of course, you obviously don't want to look like these women, but Harley has also trained Hollywood men like Orlando Bloom, Robert Downey Jr., and LL Cool J so clearly he knows what he's doing on both sides of the line.
Check out OK's video featuring Harley's favorite weight-loss smoothie recipe here. Then whip one up for yourself and you'll be on the road to building an Iron Man-inspired physique of your own.