Free reign pretty much. Through with the in the parameter of being a female.
Possible suggestions.
1. Like the others, amature in porn a house wife, college age student.
2. A full fledge porn star.
3. Perhaps one of the technicians behind the scenes stepping into the role.
4. Finally a activist that is infiltrating the show to ruin it and bring it down, but gets caught up in it. Much as the producer Joe has.