Andrew Lloyd Webber was booed during the final curtain call of Cinderella after her branded the production a "mistake".
The composer wasn't at the Gillian Lynne theatre in London, but a letter he'd written was read out by the director, Laurence Connor.
The stalwart's note read: "I keep thinking if only we had opened three months later, we wouldn't have had to postpone our opening twice because of COVID… I promise you we would have been here for a very long time to come.
