Hah! Helene looked like a contemporary businesswoman who has crashed a fancy-dress ball. I am rarely gobsmacked by anything, but my jaw did drop during the weird dance number that featured costumes and wigs seemingly taken from the set of Hocus Pocus. A true Twilight Zone moment.
Here is a dramatized royal story that I particularly enjoyed for its great script and performances....
http://europeanroyalhistory.wordpress.com/397