Prince William, Prince Harry attend 'Star Wars: The Last Jedi' premiere

Dec. 13 (UPI) -- British royals Prince William and Prince Harry attended the European premiere of the new Star Wars movie Tuesday.

The brothers were all smiles at a London screening of Star Wars: The Last Jedi at Royal Albert Hall in South Kensington.

Prince William and Prince Harry were greeted by BB-8 and Stormtroopers on the red carpet.

The siblings joined the film's stars, including Daisy Ridley, Mark Hamill, John Boyega, at the event.

"The Force is strong on this red carpet! #thelastjedi," Kensington Palace tweeted alongside posts from the premiere. "A quick chat with Luke Skywalker before #thelastjedi starts!"

A quick chat with Luke Skywalker before #thelastjedi starts! pic.twitter.com/A1wwpvWQ4U

Prince William and Prince Harry were later presented with Stormtrooper helmets. TMZ reported the pair will cameo as Stormtroopers who appear in the movie alongside Tom Hardy while guarding Boyega's character, Finn.

The Duke of Cambridge and Prince Harry were each presented with a special gift this evening - their own Stormtrooper helmet! #TheLastJedi pic.twitter.com/NnCmWzkcmw

Prince William and Prince Harry had visited the Star Wars: The Last Jedi set in April 2016. The film co-stars Adam Driver, Oscar Isaac and late actress Carrie Fisher, and opens in theaters Dec. 15.