I missed that,

Well just to play devils advocate and think of a scenario that could of seen Faye predict her sisters entry without the rat
Expectation of a new HM
90% probability it would be a girl
Faye's sister being a Celeb of sorts
Family & Friends have rocked up in the house before on BB
The force is powerful between sisters and Faye sensed her presence Ob1 style.
I suppose after being fooled by the Chocolategate Edit, and having no LF it's clear that C5 have much less respect for the viewer this time around, and i'd put nothing past them.
But i'm not sure what BB have to gain by telling Faye her sis was entering is that the suggestion or?