Queen sends heartfelt wishes to beloved cousins as they mark milestone with new picture

Her Majesty's first cousin Prince Richard, Duke of Gloucester, is celebrating today his

Golden Wedding Anniversary with his wife Birgitte, Duchess of Gloucester.

And the Royal Family Twitter account, which represents the Queen

and other senior royals without their own social media handles,

shared a congratulatory message for the happy couple.

It read: "Happy Golden Wedding Anniversary to The Duke and Duchess of Gloucester!

To mark 50 years since their wedding day, a new photograph

of the couple has been released, taken in the garden of their home at Kensington Palace earlier this week.

Shortly after this message was shared, royal fans chimed in with their own best wishes for the Gloucesters.