Caroline de Guitaut, poses with an evening gown worn by Britain's Queen Elizabeth, in the Green Drawing Room at Windsor Castle in Windsor, BritainReuters
Three special exhibitions were staged across The Queen's official residences - Buckingham Palace, Windsor Castle and the Palace of Holyroodhouse in 2016 to celebrate the 90th birthday of Her Majesty.
The exhibition, which was curated by Caroline de Guitaut, displayed over 150 outfits worn by The Queen, including the Her Majesty's wedding dress in which she married the Duke of Edinburgh in 1947.
The special exhibition marked the significant events in The Queen's life and the nation's history through an unprecedented collection of dress and accessories from childhood to the present day.
Important pieces created by renowned designers, including Sir Norman Hartnell, Sir Hardy Amies and Ian Thomas were also exhibited during this occasion.
A member of staff of the Royal Collection poses with a dress worn by Britain's Queen Elizabeth, in the Crimson Drawing Room at Windsor Castle in Windsor, BritainReuters
A member of staff of the Royal Collection poses with dresses worn by Britain's Queen Elizabeth, in the State Dining Room at Windsor Castle in Windsor, BritainReuters
A member of staff of the Royal Collection poses with dresses worn by Britain's Queen Elizabeth, in the State Dining Room at Windsor Castle in Windsor, BritainReuters
A member of staff of the Royal Collection poses with hats worn by Britain's Queen Elizabeth, at Windsor Castle in Windsor, BritainReuters
A member of staff of the Royal Collection poses with pantomime outfits worn by Britain's Queen Elizabeth and Princess Margaret in the 1943 production of Aladdin, at Windsor Castle in Windsor, BritainReuters
The gown worn by Britain's Queen Elizabeth during the annual Royal Garter Ceremony is seen on a mannequin alongside other outfits, in the State Dining Room at Windsor Castle in Windsor, BritainReuters
A member of staff of the Royal Collection poses with pantomime outfits worn by Britain's Queen Elizabeth and Princess Margaret in the 1943 production of Aladdin, at Windsor Castle in Windsor, BritainReuters
A member of staff of the Royal Collection poses with a dress worn by Britain's Queen Elizabeth, in the Crimson Drawing Room at Windsor Castle in Windsor, BritainReuters