The 60-year-old singer, who has a four-year concert contract with the hotel, suffers from labrum tears in his hips — a painful condition exacerbated by his high energy performances, publicist Carol Marshall said in a statement Thursday.
Manilow announced Aug. 7 that he would continue performing through his appearance at the upcoming Emmy Awards and then go in for surgery. But during a show Wednesday, Manilow announced the pain has made it too difficult to continue performing.
He is still expected to make his Aug. 27 appearance at the Emmys and will then be admitted to a Southern California hospital for outpatient arthroscopic surgery, Marshall said.
Recovery and rehabilitation is expected to be about eight weeks.
Manilow will miss more than 20 concerts at the Hilton, all of which will be rescheduled for the 2007 season.
He is scheduled to return in mid-October for the launch of his new album "The Greatest Songs of the Sixties."