Jen, I really don't have any advice for you except to just keep on saying no or ouch very loud and then walk away from her. I'm going through this same thing with Sky. Sky loves to play a lot and he thinks that everything is a game. He'll try to bite me while I'm brushing him and sometimes when I pet him too. If you stop giving her attention after she starts biting you then hopefully she'll learn not to do this any more. Good luck and please keep us updated.