Thanks for the suggestions everyone. It turned out to be Charli Shiin in a GF Revenge scene titled "on the loose". NashBridges was most helpful with the RK suggestion (I found out it is an RK site) +rep.
I finally found it doing a Bing image search (Google's been filtering heavily lately) with...
Sorry this is going to be a text only description. I just spent about three hours looking for this video, and I consider myself very skilled when it comes to tracking down this kind of thing. During my search I ended up on FreeOnes several times which made me realize how knowledgeable this...
