Kourtney Kardashian's style evolution will blow your goddamn mind

This is actually INSANE.

By Natasha Harding
kourtney kardashian

The oldest Kardashian sister has always had a special place in our hearts as the reigning Kween of Sass, but it turns out the President of Dash has also had one helluva style evolution.

So what better way to celebrate than to take a trip back through all the best looks she's had over the years - 'cause why the eff not, right?