Prince Harry and Meghan Markle will walk down the aisle next May at St George's Chapel, Windsor Castle.

Kensington Palace said that Windsor Castle, a royal residence west of London, had become "a special place" for the couple.

A spokesman said the 36-year-old Suits actress would retain US citizenship through the process of becoming a UK citizen but it was "too early to say" if she would retain dual nationality. The process is expected to take several years.

The Royal Family have congratulated the happy couple since the news of their engagement was released on Monday.

Catherine, Duchess of Cambridge said she is "absolutely thrilled" by Harry's engagement to Meghan, while Camilla, Duchess of Cornwall said she is ''absolutely delighted".

Members of the Royal Family congratulate Prince Harry and Meghan Markle

Speaking during a visit to the Foundling Museum in London, Catherine said that both she and Prince William hope the couple "enjoy this happy moment".

Camilla - who is married to Harry's father Prince Charles - said she thinks it is ''brilliant'' news that the couple are set to walk down the aisle, and thrilled Meghan will soon be her stepdaughter-in-law.

Speaking to the MailOnline about the addition to the family, the 70-year-old royal said: ''It's brilliant and as I said, America's loss is our gain. We are all absolutely delighted.'

 ''As you can see, they are so happy.''

Camilla added that it is great to hear some joyous news, saying: ''Sometimes, you know, in a climate where we are surrounded by a lot of bad news, it's a real joy to have some good news for once.''

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The couple, who revealed they were an item a year ago after a six-month secret relationship, first met through a mutual friend.