Sir Elton John has cancelled three Las Vegas performances on doctors\' orders after being taken to hospital with a respiratory infection. Officials from Caesars Entertainment said the Your Song singer came down with the infection last weekend and was admitted to Cedars-Sinai Medical Centre on Wednesday. He was later released. Doctors have recommended he does not perform for a week and takes antibiotics. The Thursday, Saturday and Sunday performances of The Million Dollar Piano have been cancelled as a result. Sir Elton said in a statement he is sorry he cannot be with his fans. The Million Dollar Piano launched in September for a three-year run and features the singer\'s classic songs.