That is no surprise.
As a slut you need a real superslut as a role model. ;)
So naturally Faye and Annette are good examples for you how to properly behave in bed. :D
But you shouldn´t forget Kelly Wells and Holly Wellin. They are real sluts as well. I think they can easily compete with Faye or Annette.
If I would have to rank the 16 pornstars according to their sluttieness I would say:
Nr.1) Faye, Annette, Holly and Kelly
followed by Nr.5) Sierra Sinn
And then the rest