Prince Harry says that he and American actress Meghan Markle they fell in love "incredibly fast" and it seemed proof that "the stars were aligned".
The fifth in line to the throne spoke after the couple announced their engagement and plans to marry in the spring of 2018.
The couple told the BBC mishal Husain they met on a blind date and none I knew a lot about each other.
Prince Harry said "beautiful", Mrs. Markle "just stumbled and fell into my life".
He added that he believed that Mrs. Markle and her deceased mother, Diana, Princess of Wales, would have been "thick as thieves … best friends".
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Ms. Markle is already involved in humanitarian work and is an advocate for women in the UN.
& # 39; Blind Date & # 39;
She said that with her new role she would concentrate even more energy on the causes that are important to her.
Prince Harry added: "I know she will also be incredibly good at work."
The couple described how they settled on a blind date by a mutual friend, and how they got to know each other camping in Botswana.
"I think of three, maybe four weeks later, I managed to persuade her to come and join me in Botswana.
" And we camped together under the stars . .. she came and joined me for five days, which was absolutely fantastic. "
& # 39; Amazing Surprise & # 39;
Prince Harry said he proposed earlier this month during a" night " standard and typical for us "at his home in Kensington Palace while the couple was preparing roast chicken.
" It was an amazing surprise. It was very sweet, natural and very romantic, "said Mrs. Markle.
Prince Harry said:" She did not even let me finish. She said & # 39; Can I say yes. & # 39;
"Then there were hugs and I had the ring on my finger.
" I was like, 'Can I give you the ring?' It was a really nice moment. Just the two of us. "
Addressing Mrs. Markle, Prince Harry said," And I think I also managed to catch you by surprise. "
Previously, the couple posed for photographs outside Kensington Palace in London , where they will live.
Prince Harry said he was " excited, "while Mrs. Markle said she was" very happy. "
Mrs. Markle, wearing a white belt overcoat, took Harry's hand as they briefly appeared for the press in the palace's Sunken Garden, and showed her diamond engagement ring.  When a reporter asked him if he knew that Suits star, Mrs. Markle, "was the one", Prince Harry said: "The first time we saw each other".
The announcement of his commitment was issued by Clarence House on Twitter, the official residence of the Prince of Wales and the Duchess of Cornwall, and said detai About the wedding day will be announced "in due time."
Downing Street said "there are no plans" for a holiday.
Mrs. Markle's engagement ring was designed by Prince Harry and presents two diamonds that belonged to his mother.
The band is made of gold and in the center there is a Botswana diamond.
Mrs. Markle said it was a sign of "Harry's consideration."
He obviously had not been able to meet his mother, he said, but it was "so important to me … to know that she is part of this with us".
Mrs. Markle said that she had met the Queen a couple of times and described her as an "amazing woman".