That’s the way it is!

Princess Eugenie andPrincess Beatricehad a dance party on Friday as they attended the British Summer Time Hyde Park concert.

The two sisters, who areQueen Elizabeth‘s granddaughters, were spotted smiling throughout the evening — and were seen dancing during headlinerCéline Dion’s performance.

“London, we had an amazing time last night! Thank you for all the love 🙏 . Can’t wait to see you again soon!” she wrote, adding a heart emoji, alongside a slideshow of images from the show.

Mega Agency

Beatrice

Beatrice

Céline Dion.Samir Hussein/Redferns

Celine Dion

In the months since Beatrice, 30,made her first public appearancewith the 34-year-old multi-millionaire property tycoon in March, the couple has frequently been spotted out and about.

“She’scompletely head over heels,” an insider recently told PEOPLE.

David M. Benett/Getty

Princess Beatrice of York and Edoardo Mapelli Mozzi

The pair has also recently been spending a lot of time with Beatrice’s parents, even supporting an event forPrince Andrew‘sPitch@Palace campaign.

RELATED VIDEO: Listen toPrincess BeatriceGive a Special Reading DuringPrincess Eugenie’s Royal Wedding

Eugenie, 29, tied the knot withJack Brooksbankthis past October, and the pair likely won’t be waiting too long before having children of their own.

The couple plan tostart a family“as soon as they can,” royals biographer Ingrid Seward recently told PEOPLE.

Princess Eugenie and Jack Brooksbank.Mark Cuthbert/UK Press/Getty

The Royal Family Attend Church On Christmas Day

In fact, one person who can’t wait for a royal pregnancy announcement is Eugenie’s mother,Sarah Ferguson.

Ahead of her daughter’s wedding, she was asked how shefelt about becoming a grandparentduring an appearance on the BBC programThe One Show.

“Excellent! They are thrilled because I write children’s books and I’m a child, I haven’t grown up,” she shared.

source: people.com