All eyes will be on the initial flood of social media reaction, encouraged by Lucasfilm, although the studio has embargoed detailed reviews until 9 a.m. Los Angeles time (1700 GMT) on Tuesday.
The premiere comes six days before the movie's general release in U.S. theaters, kicking off a run widely expected to be the most successful worldwide since 2015's Star Wars: The Force Awakens.
Secrecy about the film, which has only been screened for a select VIPs, was still in place.
Stormtroopers marched the red carpet as Star Wars music blared and fans cheered Saturday at the world premiere of latest installment in the beloved space opera franchise. The new designs were recently revealed at the LA Auto Show to promote the upcoming release of The Last Jedi.
As excitement builds for Star Wars: The Last Jedi, fans of the franchise will have an unmissable opportunity as Kylo Ren deploys his personal legion of Stormtroopers to Liverpool ONE's Odeon Cinema to meet and greet with fans. Ford, a licensed pilot, co-starred with Boyega in 2015's "Star Wars: The Force Awakens". The British actor plays Finn, a former Stormtrooper who escapes the First Order to join the Resistance.
He's a four-legged film star. Early box office projections are for the film to debut in the $200 million range on its first weekend.