royal — they ’re just like us !

By now, I’m sure you’ve all seen that the royals had a fun family night out at the Eras Tour last week.

On Friday,Prince Williamcelebrated his 42nd birthday in style by attending Night 1 ofTaylor Swift’s Eras Tour at Wembley Stadium in London.

Joined byPrince GeorgeandPrincess Charlotte, the future king was seen in the crowd dancing his heart out to Taylor’s biggest hits. And while Prince William’sdance movesmight imply he’s the biggestSwiftiein the royal family, a new report has suggested otherwise.

According toEntertainment Tonight, it was Princess Charlotte who encouraged the family night out to watch Taylor perform, with insiders claiming the 9-year-old is “the huge Taylor Swift fan in the family.”

Kate Middleton — who confirmed in March that she is undergoingcancer treatment— did not attend the concert. An insider toldETthat Princess Charlotte’s night at the Eras Tour was extra special amid her mom’s recent health concerns.

“She has wanted to go to the concert for months, but with her mum being treated for cancer, this was a really special day to be able to celebrate her Papa’s birthday like this,” the source claimed after confirming that Kate opted to stay home with Prince Louis.

So, being such a massive fan, we can barely imagine how excited Charlotte must have been to have a private meet-and-greet with Taylor backstage after the show — evenposing for a selfiewith the singer.

Notably, theETreport also alleged that Prince William likely didn’t care that his “dad dancing”went viral, saying instead that he “really just wanted it to be a special night for Prince George and Princess Charlotte.”

You can read thefullEntertainment Tonightreporthere.

BuzzFeed has reached out to Kensington Palace for comment .

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Prince William smiling while standing among a crowd of spectators

Prince William with Prince George and Princess Charlotte standing on a balcony, all dressed in formal attire

Prince George, Prince William, Prince Louis, Catherine (Princess of Wales), and Princess Charlotte stand together. William wears a decorated military uniform

Princess Charlotte dressed in a formal outfit with a white bow in her hair, sitting in a carriage, with her reflection visible in the window

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Princess Charlotte, in a navy outfit with a bow, accompanied by Catherine, Duchess of Cambridge, in a dress with a large hat, at an outdoor event

Kate Middleton and Princess Charlotte wearing sunglasses and smiling while sitting outdoors

Princess Charlotte and Prince George are shown clapping in the audience, with Princess Charlotte wearing a dress and cardigan, and Prince George wearing a suit and tie

Travis Kelce, in a football uniform, and Taylor Swift, in a black dress, embrace and kiss amidst a crowd at a sports event

Hugh Grant in a suit smiling; Taylor Swift, in a sequined costume, singing on stage

Taylor Swift performs in a glittery crop top and jacket. Paul McCartney, Chrissie Hynde, and Ellie Goulding smile backstage