Princes William and Harry strode out on stage with their partners Kate Middleton and Meghan Markle for their first-ever joint event on February 28, 2018
It was a day to remember for Prince William - and it was made even better as his then-girlfriend Kate Middleton had been invited to the passing-out parade at Sandhurst on December 15, 2006.
The Princess of Wales has long been celebrated for her effortlessly elegant style, striking a perfect balance between high-end designer pieces and affordable high street fashion.
Two of the most important figures in the British Royal Family were born commoners. But both Catherine and Sophie went on to win the affection of the public, the monarchy and the late Queen.
The former Suits actress reflected on the 'pomp and circumstance' of the wedding of 'Princess Kate' in a 2014 blog post on her now-defunct website The Tig.
Before Catherine was walking down the aisle to marry the man of her dreams, William was merely a student at St Andrews University desperately vying for her attention.
Kate Middleton, 43, was spotted missing a key piece of jewellery as she made a visit to The Royal Marsden Hospital in London in January - but what is the real reason behind its absence?