Diana Ross has canceled her upcoming appearance as “godmother” of Royal Caribbean’s new “Star of the Seas” cruise ship just days before the scheduled event, Parade reports.

The 81-year-old music icon was set to participate in a special naming ceremony for the vessel on Aug. 20 during a three-day voyage from Port Canaveral, Florida, to Royal Caribbean’s private Perfect Day at CocoCay destination.

A spokesperson for Ross said in a statement to PEOPLE: “due to unforeseen circumstances, Diana Ross will be unable to appear,”

A representative for Royal Caribbean confirmed the cancellation in a statement to PEOPLE .

“We are disappointed that Diana Ross is unable to join us to be godmother of ‘Star of the Seas,’” the statement read, adding that the cruise line “look[s] forward to announcin

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