I've only seen her on this site. It's the blonde in the red dress at the bottom in both screens. Can anyone help?
http://galleries.maxxandmore.com/partyhardcore/16/01/?31637/ph/main/
http://galleries.maxxandmore.com/drunkpartyzone/03/03/?31637/ph/main/
Her name is Petra Mis (or Paulina on other sites).
http://peachyforum.com/forums/thread/1781.aspx
Have fun..