this suggestion is for if you don't have on already but does she have a crate so that when you have that many people over she has a place of her own she can go to that is her space that no one is allowed.
there will be a difference between being nervous and hiding versus being tired and wanting to go lay down some where she knows no one is going to bother her until she has had a nap.
there will be a difference between being nervous and hiding versus being tired and wanting to go lay down some where she knows no one is going to bother her until she has had a nap.