Princesses Eugenie, Beatrice, Prince Andrew
Prince Andrew shares a close bond with his two daughters. Pictured: Princesses Eugenie, Beatrice, Prince Andrew walk about during 'The Patron's Lunch' celebrations for The Queen's 90th birthday at on June 12, 2016 in London, England. Getty Images/Alan Crowhurst for The Patron's Lunch

Prince Andrew greeted her eldest daughter, Princess Beatrice, on social media on her 30th birthday.

The dad of two posted a photo of Princess Beatrice in her black dress on his official Twitter account. He captioned the snap with, “Happy 30th birthday to Her Royal Highness Princess Beatrice!” and used the hashtag “Happy Birthday HRH.”

Prince Andrew also retweeted a post made on the Royal Family’s official Twitter account that shows a special greeting for Princess Beatrice alongside 30 throwback photos of the royal. One of the snaps featured Prince Andrew and Sarah Ferguson cuddling Princess Beatrice in their arms.

Another photo shows the 30-year-old royal going to school, and a third picture also featured Princess Beatrice smiling from ear to ear while building a snowman.

Ferguson also took the time to send Princess Beatrice her warmest greetings on her special day via her personal Instagram account. To mark her daughter’s milestones, Ferguson uploaded a photo of her daughter and wrote, “Happy birthday my Trixie – Belle. So proud of you xx.”

In related news, Princess Beatrice and Princess Eugenie recently made headlines after they told British Vogue that it has been tough navigating their lives a working, modern, female royals. They also revealed that they have been ridiculed on social media and have cried over the mockery they have received.

“It’s hard to navigate situations like these because there is no precedent, there is no protocol,” the siblings said.

Meanwhile, Princess Beatrice will be seen in public on Oct. 12 during Princess Eugenie and Jack Brooksbank’s wedding. Princess Beatrice will reportedly serve as her younger sister’s maid of honor. As of late, it is still unclear what the siblings will wear to the ceremony at St. George’s Chapel in Windsor Castle. But this will most likely be revealed on the day of the wedding.