But Charles was not the only member of the British royal family making news that day.

“It fascinated me how entranced people were with that dress,“says Debicki.

‘Do you get to wear the Revenge Dress?’

Princess Of Wales At The Serpentine Gallery In London. On Her Left Is Lord Palumbo. Her Dress Is By Christina Stambolian

Princess Diana wearing the so-called ‘Revenge Dress’.Tim Graham Photo Library via Getty Images

‘Oh my God, you get to wear the Revenge Dress!'”

“The dress was revealing, quite short and showed quite a bit of leg and flesh.

Diana was not sure about it.

The Crown Season 5

Elizabeth Debicki in ‘The Crown’.Keith Bernstein/Netflix

She thought it was a bit risky.

I said, ‘Why not be daring.’

But she wanted everything more covered up, longer and the neck higher.”

Stamboulian told Diana that she had good legs and she should show them.

“Finally, she said ‘yes’ to the style then we moved on to the color.

I had black in my mind, but she wanted cream.

To me Diana was a black and white sort of person.

That was the way she was there were no grey areas.

I thought of black for the color.

I thought of her in a sophisticated way.

I didn’t like her in the pale pinks and blues with lots of beading.”

It was a deeply empowering moment.”

Captured in one dress is the death of a marriage and the death of her relationship with the palace.

Everything changed after that."

I can’t really explain it.

So that was a big day on set for me!"

Season 5 ofThe Crownis now available to watch on Netflix.

Watch the trailer for the show below.