Photos of teenage Margaret and Princesses Elizabeth acting in plays to be auctioned . London 's future queen starred in a series of pantomimes at the Royal School in 1941 . A treasure trove of old photos has revealed how Queen Elizabeth once took to the stage -- sometimes dressed as a boy -- in a series of holiday pantomimes during World War II . Photos belonged to headmaster of Windsor school and a co-star of the royal sisters .
Photos of teenage Margaret and Princesses Elizabeth acting in plays to be auctioned . London 's future queen starred in a series of pantomimes at the Royal School in 1941 . Photos belonged to headmaster of Windsor school and a co-star of the royal sisters .