I do think the girly grip is a more advanced feature, isn't it?
Currently I am looking for control, which makes common sense to me to "steer" the club back and through for technical aspects.
If I apply a girly grip I loose all feeling about the clubface and where it is. So I think you should have some faith and trust already about your swinging before lightening the grip, right?
I like to jump into wally's post, I would loose the connection of my hands as well at the moment. From my personal view a apply a mid-firm grip for the time being until I have faith enough to make the same movement with a light grip
cheers