A child's world is full of prohibitions: Stay where I can see you. Hold onto my hand. Don't go too far.
To celebrate, the show has released a brand new picture of Sophie Evans and Alice Fearn as the musical's much-loved witches, Glinda and Elphaba.
Bat Out of Hell has announced five sing-a-long performances where audiences will be encouraged to sing along with the cast to Jim Steinman's songs.