The late Princess Diana's brother Earl Charles Spencer has revealed the most fascinating details about her former home.

SEE: Charles Spencer reveals moving tribute to Princess Diana at Althorp home

Taking to Instagram, the uncle of Prince William and Prince Harry shared a never-before-seen photograph of the stables at Althorp House, Northamptonshire where Princess Diana grew up. Looking majestic at sunrise on Sunday morning, the image showed the ironstone brickwork and four stone pillars in all their glory. The history of the building that the Earl outlined was as interesting as the building was beautiful.