EUROVISION fans have been surprised by an appearance by the Princess of Wales playing piano in a stunning show opening.

Viewers of the iconic song contest were wowed as Kate Middleton was seen performing as part of the finale tonight.

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Just minutes into the programme, Kate, 41, was seen sat at a piano to perform as part of the opening in a pre-recorded clip.

The Princess accompanied last year’s champions Kalush Orchestra in a performance of their winning entry Stefania.

The band were filmed performing their song outside the Maiden Nezalezhnosti metro station in Kyiv, Ukraine.

Meanwhile, Kate – who looked stunning in a blue dress and a pair of the late Queen Elizabeth’s earrings – joined in with a short instrumental piano performance.

She was recorded in the drawing room of Windsor Castle earlier this month ahead of the Eurovision Grand Final.

Fans were left shocked to see Kate as part of the performance, and flooded Twitter to reveal they were in awe.

“Holy s**t was that Kate, Princess of Wales on piano?” one said, as another chimed in: “Kate plays the piano so royally.”

“WAS THAT KATE? PRINCESS OF WALES?” a third wrote, while a fourth said: “Perfect way to open it, love it!”

Elsewhere, pre-recorded clips of Andrew Lloyd Webber, Eurovision runner-up Sam Ryder and singer Joss Stone also played alongside the Ukrainian band.

It comes as the Eurovision Song Contest 2023 comes to an end tonight, after days of competition between countries.

In a change to his usual job of Eurovision commentator, Graham Norton will be hosting the big event.

The chat show host will be joined by Alesha Dixon, Ted Lasso actress Hannah Waddingham and Ukrainian singer Julia Sanina.

Taking over Graham’s commentary job is Rylan Clark and Scott Mills.

Elsewhere tonight, last year’s runner up Sam Ryder is set to be joined on stage by a huge rock legend to perform in the interval.

Sam, 33, will be accompanied by Queen drummer Roger Taylor, 73.

He will sing his latest single Mountains at Eurovision 2023 and will be joined by Roger as well as a series of dancers.

They rehearsed their performance at Liverpool Arena this afternoon ahead of the main event at 8pm on BBC One on Saturday.

Sam previously competed with his track Space Man in Turin last May.

He met Roger when he performed with Queen last September at Taylor Hawkins’ tribute concert at London’s Wembley Stadium.