The bridal gown, which Princess Diana wore when she wed Britain's Prince Charles in 1981, is set to be handed over to the couple's sons William and Harry, 17 years after her tragic death.
The dress, designed by Elizabeth Emanuel, is one of the most iconic wedding gowns in history. The elaborate white gown notably features 'thousands of pearls, silk layers and a 25-ft train', reported Daily Telegraph.
Most recently, the gown was exhibited twice a year at Althorp, the Spencer family estate, as part of an exhibit called 'Diana: A Celebration'.
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Besides the wedding gown, both the princes will receive other items that were featured in the exhibit, including their late mother's diamond tiaras, family paintings, letters, home movies and additional pieces from her wardrobe.
Harry will also receive 10 million pounds from his mother's estate upon turning 30, which will be placed in a family trust. His older brother also received an inheritance on his 30th birthday in 2012.