Sir Elton, 78, has repeatedly accused Madonna of lip syncing over the years, prompting Madonna's team - back in 2004 - to respond that she did not "spend her time trashing other artists".

“Madonna, best live act? Fuck off,” John said. “Since when has lip-syncing been live? Sorry about that, but I think everyone who lip-syncs on stage in public when you pay like 75 quid to see ...