Barry Manilow unexpectedly postpones final Kentucky concert

Singer Barry Manilow had to postpone his Lexington, Kentucky, concert unexpectedly on Tuesday night.

Manilow shared the update in an Instagram post on Tuesday, writing, “Due to unforeseen circumstances tonight's show in Lexington has been rescheduled.”

Rupp Arena, where the show was supposed to take place, said in a Facebook post, "All previously purchased tickets will be honored at the new date once it is announced."

The 83-year-old singer is currently on a farewell tour with concerts coming up in Ohio, Maryland, Virginia, North Carolina, Georgia and Florida.

This isn’t the first time Manilow has had to postpone a concert recently. Manilow, who revealed last December that he had been diagnosed with cancer, postponed residency concerts in Las Vegas while he was recovering from a surgery and rescheduled shows on the advice of his doctors.

In June, Manilow revealed to ABC News that doctors had diagnosed him with lung cancer and that he had undergone a lung lobectomy, which altered his voice.

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ABC News has reached out to Manilow for comment.

Editor’s note: This report has been updated to reflect the canceled concert was scheduled to take place on Tuesday, Aug. 4.