Princess Beatrice and Princess Eugenie receive touching message

Fergie's statement contained a special tribute to her daughters and her grandchildren.

She wrote: "Thank you for all of your wonderful birthday wishes!

"I’m feeling incredibly grateful to be here every day, to smell the flowers, to read and write, and to be able to see my daughters and my grandchildren.

"It has been an extraordinary, full year - a year of recovery and of growth - and I just feel so lucky.

"Thank you again to all of you who made it so and who took the time to send me birthday wishes."

It comes as Princess Eugenie sent an emotional birthday message to her birthday.

Eugenie posted a selection of photos of the Duchess of York including some with her own son Ernest.

Others feature Eugenie, Beatrice and Sarah together as the royal trio are known to have a close bond.

Eugenie wrote: "Happy birthday to my beautiful mumma.

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"So proud of the Granne you are, the mum you are and the woman you are.

"You're an inspiration and our endless chats bring me so much happiness and incredible support."

The post included a never-before-seen picture of Sarah holding the hands of Eugenie's son Ernest Brooksbank.