It's seems I've made an error. The before pic is Sarah Dunlap and after is Sarah Hayes. Two female bodybuilders named Sarah that look similar and only have MySpace accounts. Thanks for pointing it out!
Here's an updated (and more accurate) transformation of Sarah Dunlap.
It's a fact that every bodybuilder undergoes a transformation. It's one of the reasons they're so fascinating. Here's a before & after of female bodybuilder Sarah Hayes that shows another amazing transformation from the everyday into the sublime.