[RtooDee2]

How about when she reaches the top of the stairs, a member of the production team calls
her back down into a side room to the left of the DR and tells her its the secret house...
when infact its just a broom cupboard.
Then lock her in there with Freddies singing playing on a loop 24/7.
1 week in there should be enough. If she starts going mad get Freddie to
dress up like her mother and he will pop his head in and give her support.
That will do it for me.