The Duke and Duchess of Cambridge and Prince Harry will get the chance to view props, costumes and models from the Harry Potter film series today.
Their Royal Highnesses will undertake a tour of Warner Bros. Studio Tour London - The Making of Harry Potter, where they will attend a wand lesson in The Gryffindor Common Room, and a special effects demonstration on Diagon Alley.
Today will mark the official opening of the studios in Leavesden, where Catherine, William and Harry will be joined by 500 adults and children.
More top news
Ann Myatt, who is contesting Jo Cox's former seat, told a hustings: "We've not yet shot anybody so that's wonderful."
The 26-year-old said she was moving on to the "next big chapter" - which includes a new show about her venture into motherhood.
Patchy rain will affect many northern areas of the UK over the next 24 hours.