Princess Eugenie delighted royal fans when she announced she's expecting her first baby with husband Jack Brooksbank.

The couple, who tied the knot in October 2018, shared a cute photo of a pair of teddy bear baby boots with the caption "Jack and I are so excited for early 2021...."

While we're sure Eugenie told her family before making the official announcement and they celebrated privately, many royals took to social media to publicly congratulate the parents-to-be.

Among them were the Duke and Duchess of Cambridge, who 'liked' Eugenie's Instagram announcement.

The official Kensington Palace account was one of the 400,000 people who liked their sweet post, which also included a new photo of the couple.

It's lovely news for all of the royal family (
Image:
PA)

Kate's brother James Middleton also liked the post.

Before making the announcement, there is a chance Eugenie used the 'royal cousins' WhatsApp group to share the news.

The group chat includes Princes William and Harry, the York sisters and Zara Tindall, and is how Harry told them all Archie had been born last year.

Jack and Eugenie shared their happy news last week (
Image:
princesseugenie /Instagram)
The photo is adorable (
Image:
princesseugenie /Instagram)

Eugenie and Jack's baby will be the latest in a growing number of little royals, and will hopefully be a new friend for Prince George, Princess Charlotte, and Prince Louis.

There was also an official announcement from the royal family's Twitter account, which said: "Her Royal Highness Princess Eugenie and Mr Jack Brooksbank are very pleased to announce that they are expecting a baby in early 2021.

"The Duke of York and Sarah, Duchess of York, Mr and Mrs George Brooksbank, The Queen and The Duke of Edinburgh are delighted with the news."

Never miss a Royal moment

Keep up to date with all the latest news from the Queen, Charles, William, Kate, Harry, Meghan, George, Charlotte, Louis, Archie and the rest of the family.

You'll also get a weekly exclusive column from our Royal Editor Russell Myers straight to your inbox!

We'll send the best Royal news directly to your inbox so you never have to miss a thing. Sign up to our newsletter here.

Sarah told the Daily Mail: "I am so excited by the news that Eugenie and Jack are expecting their first child.

"Thrilled for them both and in my 60th year cannot wait to be a grandmother.

"Welcoming a new baby into the York family is going to be a moment of profound joy."

Eugenie, who is  Prince Andrew  and Sarah Ferguson's youngest daughter, is 10th in line to the throne and her son or daughter will be 11th, knocking Prince Edward down to 12th.