Princess Eugenie may have hinted that her kids are using the same moniker that she called her grandmother Queen ElizabethPrincess Eugenie is wishing her mother Sarah Ferguson a happy birthday with previously unseen photos of her as a grandmother.

Princess Eugenie celebrated her mom today with a loving tribute on Instagram that included candid family photos. In her post, timed to Sarah Ferguson’s 65th birthday, Eugenie shared snaps of the Duchess of York in full grandma mode,

Princess Eugenie and her sister, Princess Beatrice, have both kept their kids out of the royal spotlight, but on Tuesday, Oct. 15, Eugenie shared some rare photos of her youngest son, Ernest, to mark a milestone birthday for mom Sarah Ferguson, the Duchess of York.

In honour of her mother's big day, Princess Eugenie posted some unseen photos of the Duchess of York, including family snaps with her grandchildren and a mystery shot of one of Fergie's most iconic lo

The post, shared with Eugenie's 1.8 million social media followers, also included a never-before-seen picture of Sarah, also known as Fergie by her friends and family, holding the hands of the princess' son Ernest Brooksbank.

In one image, Fergie is seen squatting down to hold Ernest’s tiny hands while in a green garden—seemingly inside Eugenie and Jack’s estate. The duchess wears a light blue denim jacket and maxi skirt, with a teal scrunchie holding up her ponytail, and Ernest matches her in a light sweatshirt, blue jeans, and white-and-blue sneakers.

Princess Eugenie shared a rare photo of her 1-year-old son Ernest enjoying a sweet moment with "grannie" Sarah Ferguson on Instagram on Tuesday, October 15 as the Duchess of York rang in her birthday.