Some Elton John fans got some unfortunate news this week, as the singer opted to cancel a pair of shows at the Las Vegas residency he is currently performing (followed by his massive Farewell Yellow Brick Road starting later this year) due to the scheduling of the royal wedding between England’s Prince Harry and Meghan Markle.

A release on says that the performances will be rescheduled to Sunday, May 6 and Wednesday, May 16. Current existing ticket orders will be refunded for the original dates, but those who purchased tickets will have access to the new shows via “an exclusive presale window” before they are available to the public.

Reporting by indicates that John, 70, canceled shows on May 18 and 19 at Caesars Palace due to the impending nuptuals, scheduled for May 19. The singer was a close friend of the Prince’s mother, Diana, Princess of Wales. Following her death in August of 1997, he reworked his 1974 hit “Candle in the Wind” to celebrate her legacy. The song’s proceeds went to charities that the late Princess had held dear – an amount that presumably has been considerable, given that the song is the second-highest selling single in history, trailing only Bing Crosby’s “White Christmas” (per Wikipedia, at least.)

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The official guest list for the wedding has yet to be revealed by British authorities, and quotes from the singer intimate that he has not yet been formally asked to attend. He did attend the wedding of Prince Harry’s elder brother William to Kate Middleton in 2011.

“It will be nice [to be invited], because I love him very dearly,” John told the newspaper.

“Both these boys seem to be ecstatically happy, and that’s all you want people to be no matter who they are,” he continued. “When people get married, you want them to last, you want them to be happy. I’m happy for him, I hope they have a wonderful day.”