The Duke and Duchess of Cambridge duelled with wands like wizards from the Harry Potter movies.William and Kate stepped into the world of the teenage wizard and excelled at wand combat.
The royal couple were joined by Prince Harry as they officially opened the £100 million Warner Bros studios in Leavesden near Watford.
Other films produced at the sprawling site have included:
- All eight harry Potter films
- James Bond classic Goldeneye
- The first Star Wars prequel - The Phantom Menace
- Sleepy Hollow
It is also where a major attraction is based telling the story of the boy wizard and giving fans a behind the scenes glimpse into the making of the movies through props, costumes, scenery and special effects.
William were handed a replica of Harry Potter's wand while Kate, who is six months pregnant and wore a £38 polka dot dress from Topshop, wielded Hermione Granger's weapon.
Before the tour the Duke of Cambridge gave a speech and spoke of his hopes that he could fit a baby seat in the Batmobile and took the opportunity to tease his younger brother: