The European Premiere of Star Wars : The Royal Foundation of The Duke and Duchess of Cambridge and Prince Harry

England's Princes William and Harry joined the cast of the new film "Star Wars: The Last Jedi," in which the regal siblings both assume little parts, on celebrity central at the film's European debut in London on Tuesday.

The occasion, at the Royal Albert Hall, saw stars including Mark Hammill, John Boyega, Daisy Ridley and Adam Driver join the sovereigns on celebrity main street, encompassed by a respect monitor of protective layer clad tempest troopers.

"It's not just the most activity stuffed, it's simply the most passionate, it pulls you in a few distinct ways, it's unconstrained," Boyega told Reuters of his impressions of the Walt Disney Co film, which is broadly anticipated that would top 2017's worldwide film industry.