Summary
Pictures were left of Diana, her children and grandchildren while hard-core fans brought a cake bearing her likeness Tuesday.
William and Harry earlier braved torrential rain to visit Diana's memorial garden at the palace, touring the White Garden inspired by the princess's life.
Diana's untimely death two decades ago Thursday shocked the world.
The life of Diana – a shy, teenage aristocrat who suddenly became the world's most famous woman – and her tragic death at 36 still captivates millions across the globe.
Two decades on, her sons William and Harry only now feel able to talk publicly about her death, a seismic event which continues to resonate in the monarchy and British society.
Diana married Prince Charles, the heir to the throne, in 1981, but their marriage collapsed under the strains of public duty and their personal incompatibility.
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