The image of Beyoncé's bum from the 2014 Grammys {surfbordtttt} will forever linger in my mind. That thing was caged in black straps but couldn't be tamed. Yet, at the same time, it was oh so tamed. Actually, tamed to the point that even a {gasp} twerk wouldn't make that thing jiggle. I'm talking rock.solid.muscle.
As farfetched as Beyoncé's life is to most reality, we too can achieve the unbreakable bum. All the more reason to get down a few times a week to this workout, which really.really.really.WERKS.
Follow along...
