Some of those relationships may just surprise you.

but Stewart instead broke out into “As Time Goes By” from Casablanca.

Back in 2008, Sir Rod Stewart was asked to perform atthen-Prince Charles' 60th birthday party.

Prince Harry and Rihanna

In 2016, at the age of 71, Stewart was knighted by Prince William.

Princess Eugenie and Gouldingalso go way back and have been photographed vacationing together.

Eugenie was in attendance on the big day, and Goulding attended Eugenie’s wedding the year prior.

Sir Rod Stewart singing

The only problem was that she was one of the most recognizable people on the planet at the time.

It’s no wonder they’ve remained inseparable ever since.

She seemingly broke the dress code of a day dress and hatby donning an Armani tuxedo and top hat.

Ellie Goulding smiling

Some onlookers were concerned that she’d upstaged Eugenie.

However, Delevingne later assured everyone that she’d gotten the princess' permission before rocking the look.

With her blessing, Delevingne was able to celebrate her good friend’s special dayandlook as edgy as always.

Freddie Mercury singing

In an interview withElle UK, Chopra said, “Megs… she was always meant for big things.

To be a change and be an important voice in doing that.

It’s amazing that she found that calling and has the platform to be able to do it.”

Cara Delevingne smiling

The two friends have supported each other’s efforts and will doubtlessly remain close for years to come.

The singer has been a regular presence at royal events.

The two hit it off immediately, sharing a passion for raising awareness around HIV during the AIDS crisis.

Priyanka Chopra smiling

His relationship with members of the royal family has only continued since then.

In 2019, he defended Prince Harry and Meghan Markle in an Instagram post.

In 2022, Harry and Meghan made avideo appearanceahead of John’s farewell tour, which aired on Disney+.

Elton John smiling onstage

“Thank you for being the friend that you were to my mum,” Harry said.

“Thank you for being our friend, thank you for being a friend to our kids.

… We love you and congratulations on an incredible career.”

Ashton Kutcher and Mila Kunis

The two couples were firstspotted togetherback in 2013, vacationing in Saint Tropez.

Wallach and Liz Brinson.

But now I would call him Your Highness."

James Blunt staring

Blunt also attended Harry and Meghan’s wedding a couple of years later.

In 2020, the singer defended the couple against public scrutiny.

In 2014, the then-duchess was deeply moved by her visits to rape crisis centers in England.

Angelina Jolie and Camilla, Queen Consort

Jolie has collaborated with more than one royal in her philanthropic efforts.

She worked with the late Queen Elizabeth II on an important conservation initiative.

Beckham was then seen several times with Princes William and Harry over the course of the following year.

Rihanna posing for photo

And, in recent years, David has issued kind words about bothWilliamandHarry.

In return,Williams has shown her loyal support for Meghanmany times over their years-long friendship.

“She couldn’t be a better friend to me.

David Beckham and Prince William

However, they didn’t completely lose touch after boarding school.

They were all smiles when pictured together in 2015 at the Cambridge County Polo Club.

She formally invited Cruise for a tour of Windsor Castle, which he graciously accepted.

Serena Williams posing

The monarch died at the age of 96 before the friends could meet again.

Eddie Redmayne posing outside

Tom Cruise at Oscars