The Queen's life was turned upside down on April 9, 2021 when her husband of 73 years passed away.
Indeed the death of Prince Philip left the royal family and its legions of followers in mourning as the formidable Duke's life and legacy was spotlighted across the world.
And while his genial nature, cheeky asides and his dedication for the environment are all things that he will be remembered by, it was his unique relationship with her Majesty The Queen that will always spring to mind first.
The royal couple said "I do" on November 20, 1947, in a glorious ceremony at Westminster Abbey.
Their withstanding relationship was based on their mutual love and respect, but also a shared sense of humour - after all Prince Philip is notoriously funny.
As the man who stood behind and supported his Queen, Philip created a royal benchmark for amazing relationship goals.
In fact the Duke of Edinburgh "traipsed around" and joked that he was the "fella who belongs to Mrs Queen", rather than being "professionally qualified in something."
The mother-of-four was always very comfortable around her husband, with her former private secretary, Lord Charteris once admitting, "It is not unknown for the Queen to tell the Duke to shut up."
Though there was a time when you wouldn't get a peep out of her!
"You were so shy. I couldn't get a word out of you," Philip recalled of his meeting with Elizabeth in 1939.
After 50 years of marriage, Philip famously joked: "You can take it from me, the Queen has the quality of tolerance in abundance!" The following decade he laughed that, "the secret of a happy marriage is to have different interests."
Joking aside, it is clear that it was the Prince's utter devotion to his wife that was a backbone to their incredible partnership.
"My job first, second and last is never to let the Queen down," he sweetly said previously.
Click through to gallery to look back at their incredible relationship, and the sweet moments they shared
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