I met a guy from New York when I was in Alaska. He was celebrating his 21st birthday. He had no idea how to drive a car because his family had never owned one. They went everywhere by taxi, or they flew if it was very far. His mom and dad were both lawyers.
My guess is it would depend on the speed of the turn and how strong the static charge is. At a slow speed, the balloon would turn with the head, but a quick turn would break the static bond and the balloon would fall. Dang it-now I have to buy a balloon. Luckily, I still have the hair.
We have several that are ready for that. They are determined to destroy our Democracy, and go full fascist.