© Rex FeaturesDiana's hearse at Buckingham Palace
I was sitting two rows behind the Fayeds facing towards where the Royal Family, led by the Queen, would sit.
All around were the most famous of faces, but Diana, even in death, was a bigger star than the others put together.
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William has the same distinctive characteristic of his mother, lowering his head while his eyes gaze nervously everywhere.
Every so often he raised a finger to his furrowed brow, a Royal Family trait of hiding their true emotions - but there was no disguising his torment.
Harry could hardly take his eyes off his mother's coffin as he sat just six feet away.
He tried to hide his grief but it was when Sir Elton John sang his reworked version of Candle In The Wind that Harry finally gave up his attempts at self-control.
As Elton sang the line, "Your candle's burned out long before your legend ever will", Harry buried his face in his hands.
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Once he had finished his, at times devastating, address, there was a moment of silence.
It was suddenly broken by a sound, which I first thought was rain hitting the roof, despite the bright sunshine outside.
It was a ripple of applause, which started outside from the crowds and grew and grew until it was a thunder that spread into the abbey as mourners joined in.
© News Group Newspapers LTDPrincess Diana covering her hair in Pakistan
At the end, as we rose in the abbey to hear the Dean of Westminster "commend our sister Diana to the mercy of God", a single golden sunbeam came through a window high in the vaulted nave and landed on Diana's coffin - even to the end she was still in the spotlight.
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