'Victor's' stern face

I never understood why, when 'Victor' takes off the wig after each performance, Julie Andrews makes this sad stone-face. She is clearly enjoying herself with the applause and flowers, and then she seems sad when non-verbally stating, "Yes, I am actually a man in drag." This part always makes me think and wonder why the film makers made this particular choice.



"I will not go down in history as the greatest mass-murderer since Adolf Hitler!" - Merkin Muffley