Adele finds the thought of letting down her fans to be “mortifying”. The 34-year-old singer feels she failed her fans by postponing her residency at Caesars Palace in Las Vegas earlier this year, and Adele addressed the issue during her BST Hyde Park performance on Friday (01.07.22). The Grammy-winning star – who was performing her first UK gig in five years – told the crowd: “I know that a lot of things have happened with this album and I’m sure a lot of you feel that you’ve been let down and stuff, which is mortifying really and upsetting to me. “But I take my singing very seriously and the …