Billie Eilish has added an extra date to her 2022 UK tour due to “overwhelming demand”, after tickets for the previously announced shows went on sale today (May 28).The star will bring her ‘Happier Than Ever’ tour to the UK and Ireland next summer, kicking off in Belfast on June 3.The additional date will take place at London’s The O2 on June 25, bringing Eilish’s total number of shows at the venue on this stint up to five.