What I think we should do is have everyone decide when they register for the pool if they want to stick with their stars after the twist or stick with their pros.
I'd rather not wait until the twist happens to allow people to decide because: 1) Some people sign up for the pool and then never check this thread again until the finale so they wouldn't get to choose who they were going with, 2) it will make it easier for me to update the scoresheet if I know ahead of time who pool members are going with so I don't' have to wait for them to let me know what they want to do.
It's just been my experience that "set it and forget it" pools work better for everyone involved. You make all your decisions for the pool at the beginning and then you don't have to keep checking back and making changes before any further deadlines. Somebody always ends up missing a deadline (because they had to travel and didn't have access to a computer, their computer broke down, they got busy, had a family emergency, forgot about the pool, etc.) and then they get mad that they didn't get the opportunity to make changes like everyone else in the pool did.