Shes got 3 stagenames: Britney on some realitykings vids (casada on others), the second name is Casada Chase ( if you do a search on that name in google youl get some results), the 3:d name is Tina Cutrone (im 99.999% sure its the same girl, dissregard tatoes, they can be made invisible).
Tina cutrone: http://click.playboygirls.com/gallhit.php?125560,725,8,2,0