Prince William and son Prince George were spotted singing along to Sweet Caroline at yesterday's Platinum Party in the Palace concert.
The future kings watched the gig from the royal box, and whilst Prince George didn't seem to enamoured during the Jubilee event, he did enjoy a sing-a-long when Sir Rod Stewart performed the football anthem.
Fans were thrilled to see William and George joining in the chorus of the iconic track - however, a silent Prince Charles didn't seem to know the lyrics.
William is the President of The Football Association and arguably the biggest footie fan of the whole Royal Family, according to the Mirror.
So as the song rang out across Buckingham Palace and The Mall, fans were thrilled to see Prince William and George singing along.
However, when Prince Charles was on camera, he didn't seem to be singing along and instead just waved his flag.
The royals are front and centre of the royal box, standing in for Queen Elizabeth who is not at the event herself, after missing some other key events of the Platinum Jubilee celebrations due to her health.
The coverage of the Platinum Party at the Palace has been led by Roman Kemp, with the likes of Queen and Adam Lambert opening the show, and performances from Duran Duran and Alicia Keys to name a few.
Speaking before the show, Adam described it as very "surreal" to be performing at the event.
He said: "It’s wild. We’re on tour right now so we’re ready to go, we’re very warm and it always feels great to be a guest of Brian and Roger on the stages around the world.
"And now to be a guest of the United Kingdom for the Jubilee, it’s a huge honour.
"What I’ve learned about the Queen, (is) what an impressive lady, what a graceful and powerful presence in this country. I’m thrilled.
"As I was on stage, I realised I was in the gate of the palace and thought this is definitely the most surreal thing I have done."
Sir Rod Stewart also recently described the Queen as like a "sister" to him because she had been around so much of his life.
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