They’re one of the world’s biggest K-pop superstars, and their YouTube views currently stack up to more than 6 billion.Recently, Blackpink played at Coachella where they continued to break records as the first ever female K-pop stars to take to the stage.They were even spotted by Will Smith when they were ‘K-pop trainees’ in Korea eight years ago. The band have worldwide appeal, but this is the first time they’ve played in the UK.The BBC got exclusive access to L-R Jisoo, Rose, Jennifer and Lisa, just before their first gig at Wembley Arena.Produced and filmed by Emily Wolstencroft and Tobias Chapple.