A musician has shared the cheeky way he greeted Princess Kate when they performed together. Singer Tom Walker famously performed alongside the Princess of Wales at Westminster Abbey in 2021. Three years later, the 31-year-old Scotsman has been asked how he addressed the royal. Walker quipped: “I can’t recall if I’m honest, it was probably ‘Alright mate’?” The singer reflected on his poignant performance with Kate for the “Royal Carols: Together At Christmas” service, taking place just before the UK entered another lockdown. Walker and Kate, 42, played a moving rendition of his song “For Those …