Why did people care about Lady Diana so much?

Why did people care about Lady Diana so much?

I was oly 7 when she died and I never even heard of the royal family at that time in my life so it didn't mean anything to me at all but everybody acted like this was the most tragic thing that happened since world war 2. And it was all over the world not just in the U. K. Is it just because she was in the tabloids a lot and people had a parasocial relationship with her like they do today with streamers or celebrities?

I don't wanna hate on her or say she doesn't matter but I'd just like to hear your explanations for why her life or death was important.

Why did people care about Lady Diana so much?
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