Queen Elizabeth's only daughter, Princess Anne, celebrated her 75th birthday. And, as you might expect, well wishes came pouring in from all over—though it was a post from Kate Middleton that stopped me in my tracks.

Princess Anne turns 75 on Aug. 15, calling for a look back at her name origin. Inside who inspired Princess Anne's name, according to "The Queen Mother: The Official Biography."

The Queen’s only daughter was captured at her Gloucestershire home, Gatcombe Park, by British portrait photographer John Swannell

Princess Royal, Anne celebrates her 75th birthday today and her portrait has been released by the royal family

Princess Anne is starring in a new portrait released in honor of her 75th birthday on Aug. 15. See the new portrait of Princess Anne by a go-to photographer, John Swannell.

Princess Kate and Prince William joined the wider Royal Family in celebrating Princess Anne’s 75th birthday on Friday. On their official social media accounts, the Prince and Princess of Wales shared a new portrait of the Princess Royal with the message: "Wishing Her Royal Highness The Princess Royal a very Happy 75th Birthday!

The gorgeous portrait and birthday celebrations have prompted social media users to begin sharing the same wish again - even though sadly, it likely won't ever come true. Royal family fans want Princess Anne, who has earned the nickname of the 'hardest working royal,' to become Queen.