The special reason why Charles and Camilla were celebrating yesterday

Prince Charles, 70, and the Duchess of Cornwall, 71, were celebrating a very special occasion yesterday.

The couple enjoyed the Northern Irish sunshine yesterday on an official royal engagement, as they celebrated their 14th wedding anniversary! We can hardly believe it's been 14 years since the big day...

In 2005, the couple married in the elegant Grade 1 listed Windsor Guildhall accompanied by many senior members of the Royal Family, political and religious figures and celebrities.

Following the ceremony, they received an official blessing from the Archbishop of Canterbury at St George’s Chapel, where Harry and Meghan also married last year.

14 years later, the pair looked as happy as ever as they received an official tour of Hillsborough Castle on Tuesday. The royal couple had travelled to Ireland to re-open the iconic castle in Ulster, following a £24m refit. The castle is due to open to the public next week, in an effort to preserve historic buildings.

The pair have frequently Northern Ireland over the years, working on various heritage projects similar to this one. It's also not the first visit to Hillsborough Castle from a royal too - Charles' parents, the Queen and Prince Philip, visited themselves back in 1977.

Charles described Hillsborough Castle as “special place”, remaining hopeful that people from far and wide would flock to visit following its big refurbishment.

To celebrate their anniversary, Clarence House also shared an exclusive photograph of the royal couple. Shot in black and white, the portrait was taken by talented photographer Alex Lubomirski, who also shot Harry and Meghan’s stunning wedding last May. The New York based photography has an eye for capturing intimate moments, and this photo is no exception!

Many people on Instagram were quick to congratulate the royals on their special day. One commenter said ‘Such a beautiful photograph. Happy anniversary’

Another said, ‘Wishing you many more happy years together’

Praise also came from down under, with one user saying: ‘Happy Anniversary from Australia’

Charles and Camilla also thanked people for their well-wishes on their special day, saying, 'Thank you for your warm wishes on the occasion of The Prince of Wales and The Duchess of Cornwall’s wedding anniversary.'

Here’s to many more happy years for the royal couple!

Words by: Lucy Buglass.