Kate Middleton
UXBRIDGE, UNITED KINGDOM - NOVEMBER 09: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Catherine, Princess of Wales (Patron of the Maternal Mental Health Alliance) visits Colham Manor Children's Centre with the Maternal Mental Health Alliance on November 9, 2022 in Uxbridge, England. The Maternal Mental Health Alliance (MMHA) is a charity and network of 120 organisations dedicated to ensuring all women, babies and families in the UK affected by perinatal mental health problems have access to high-quality support and compassionate care. Max Mumby/Indigo/Getty Images/IBTimes No Google News

KEY POINTS

  • Kate Middleton turned 41 Monday, a day before the release of Prince Harry's memoir
  • The royal family's Twitter account posted a snap of Middleton and a sweet birthday greeting for the Princess of Wales
  • Royal fans and charity organizations also wished Middleton a happy birthday on social media

Kate Middleton turned another year older and wiser Monday.

The British royal family's official Twitter and Instagram pages posted a sweet tribute to the Princess of Wales to mark her 41st birthday.

King Charles and Queen Consort Camilla chose a photo of Middleton sporting a red coat and smiling as she accepts a bouquet of flowers from a toddler wearing a traditional Welsh costume.

The snap was taken during Middleton's first visit to Wales with her husband Prince William after they were named the Prince and Princess of Wales in September 2022, according to People.

"Wishing The Princess of Wales a very Happy Birthday today!" the caption read, along with a birthday cake emoji.

Middleton also received birthday greetings from royal fans, military groups and charities of which she serves as a patron.

"William brought home a valuable addition to the royal family. Happy birthday to HRH Catherine, the Princess of Wales," a royal fan tweeted alongside one of Middleton and Prince William's engagement photos.

"Happy birthday to Kate, the Princess of Wales. We hope your day is a joyous one," tennis legend Billie Jean King tweeted.

The National Portrait Gallery also took the time to make Middleton's birthday extra special. The organization shared one of the portraits that was released in honor of the princess' 40th birthday last year and wrote, "Happy birthday to our patron, HRH The Princess of Wales.⁠"

Place2Be, another one of Middleton's royal patronages, tweeted: "Wishing a happy birthday to our royal patron, HRH The Princess of Wales. Thank you for your support over the past 10 years, and for your ongoing commitment to improving children and young people's mental health and well-being."

"We at the Irish Guards wish HRH Catherine, The Princess of Wales and Colonel of the Regiment, a very happy birthday," the Irish Guards tweeted with their motto "Quis Separabit," which is Latin for "Who shall separate us?"

King Charles named Middleton the honorary Colonel of the Irish Guards in December 2022.

Middleton's birthday came as her brother-in-law Prince Harry continues to conduct several tell-alls to promote his bombshell book, "Spare," out Tuesday.

In his memoir, Prince Harry made some unflattering claims about the Princess of Wales, including an "awkward moment" between her and his wife, Meghan Markle.

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Prince Harry claimed that Middleton was unhappy and "grimaced" when the Duchess of Sussex once borrowed her lip gloss. He also seemingly blamed Prince William and Middleton for allegedly encouraging him to dress up as a Nazi for a 2005 costume party.

Buckingham Palace said it would not comment on any allegations in the book.

Kate Middleton
BELFAST, NORTHERN IRELAND - OCTOBER 06: Catherine, Princess of Wales smiles and shakes hands with well-wishers after her visit to the PIPS (Public Initiative for Prevention of Suicide and Self Harm) charity with Prince William, Prince of Wales on October 06, 2022 in Belfast, Northern Ireland. Chris Jackson - Pool/Getty Images/IBTimes
Kate middleton