Elton John Hospitalized With Serious Respiratory Infection

Sir Elton John arrives at the 19th Annual Elton John AIDS Foundation's Oscar viewing party held at the Pacific Design Center, Hollywood, on February 27, 2011 -- Getty Images

Elton John is a bit under the weather.

The singer, 65, was hospitalized at Cedars-Sinai Medical Center in Los Angeles on Wednesday morning after developing a serious respiratory infection while performing his show, "The Million Dollar Piano," at The Colosseum at Caesars Palace in Las Vegas on Sunday.

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Following his hospitalization, the "Your Song" singer was forced to cancel three upcoming performances, per doctor's orders, in order to recuperate from the infection and prevent any damage.