Meghan Markle was the American actress, with a passion for humanitarian and feminist causes. Harry was the rebel prince turned soldier, considered the world's most eligible bachelor.
In the summer of 2016, the two were brought together on a blind date by a mutual friend in London.
"Beautiful" Meghan "just tripped and fell into my life", Harry later told the press, and he knew immediately she was "the one".
After just two dates, the new couple went on holiday together to Botswana, camping out under the stars.
To the British press, their romance was catnip. Here was a golden couple who were able to draw vast crowds and sprinkle royal stardust on any cause.
But there were signs early on that the fairytale was some way off a happily ever after. When Harry first confirmed the relationship in late 2016, it came with a harsh rebuke of the media, accusing them of subjecting Meghan to "a wave of abuse and harassment".
Many people watching from the US tonight seem to have the same question: what does Tyler Perry have to do with all of this?
The American billionaire and media mogul provided Harry and Meghan with a home and security last year when they made the move from Canada to southern California. Something they say the Royal Family refused them.
This particular piece of news seemed to confuse some Americans online - wondering how and why Tyler Perry became the source of security to the royal couple.
What have we learnt from the Oprah interview?
Meghan and Harry dropped several bombshells during the two-hour interview about life inside the Royal Family. Here's some of what we learnt:
Oprah and Meghan spoke about the Royal Family deciding not to make Archie a prince. Meghan said that there were also conversations within the family - relayed to her by Harry - "about how dark his skin might be when he was born". She refused to say who said that, saying it would be "very damaging to them". Harry said "that conversation, I am never going to share". "At the time it was awkward, I was a bit shocked". Harry also says he was hurt that no-one from his family ever condemned racist media coverage of them.
Meghan revealed to Oprah that she had suicidal thoughts, and "just didn't want to be alive anymore". She said she became lonely after limits were put on the things she could do and she didn't go out in months. Harry said he "had no idea what to do" and "went to a very dark place as well". "I didn't have anyone to turn to," he said
Harry said he has a "really good" relationship with his grandmother, the Queen, but the relationship with his father has suffered, he said. "There's a lot to work through there," he says. "I feel really let down because he's been through something similar, he knows what pain feels like... and Archie's his grandson. But at the same time, of course I will always love him but there's a lot of hurt that's happened and I will continue to make it one of my priorities to try and heal that relationship." Of Prince William, he said they were on "different paths".
The prince also said his family "literally cut me off financially" and that's why the couple have struck deals with Netflix and Spotify so they can afford security. He said he has the money that his mother, Princess Diana, left him.
Meghan spoke about what it was like joining the Royal Family. She said she did not realise that curtsying to the Queen happened within the family - she thought it was just part of the "fanfare". She said she didn't do any research about the family beforehand and had never looked Harry up online.
Harry said the couple have watched some of the Netflix royal drama the Crown. Asked if they watch it, Harry replied coyly: "I've watched some of it. We've watched some of it."
Meghan was also asked about her relationship with the Duchess of Cambridge, Kate. It came after rumours in newspaper reports suggested Meghan had made Kate cry in a fight about flower girl dresses for Harry and Meghan's wedding. Meghan said the "reverse" was true and that Kate later bought flowers a note to make amends.
And the couple revealed they are now expecting a baby girl. Later, Oprah asked if Meghan had got her happy ending with Prince Harry after all. “Greater than any fairytale that you’ve ever read," she said.
When Harry first confirmed the relationship in late 2016, it came with a stark critique of the media, accusing them of subjecting Meghan to "a wave of abuse and harassment".
He spoke of nightly legal battles to keep defamatory stories out of papers, attempts by reporters and photographers to get into Meghan's home and the "bombardment" of nearly every friend and loved one in her life.
The couple's anger with some sections of the press and since moved into the full glare of the public spotlight.
Meghan sued the Mail on Sunday over the publication of parts of a letter that she wrote to her father, while Prince Harry sued the Mail on Sunday and Mail Online for libel and brought proceedings against other newspapers in relation to alleged phone-hacking.
In April last year, after stepping back as senior royals, the couple told the UK's tabloid press they were ending all co-operation with them.
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