Markle stunned in a white wrap coat for the couple's first official photocall, while Harry looked dapper in a blue suit.
How Suits actress Meghan Markle is about the shake-up the British monarchy for the better.
Labour leader Jeremy Corbyn has responded to news of Prince Harry and Meghan Markle's engagement, saying: "I'm sure they're going to have a great deal of fun together."
The Duke and Duchess of Cambridge, William and Kate, held the most expensive wedding of all time in April 2011. But how much will Harry and Meghan's big day cost?
With Kensington Palace announcing the engagement of Prince Harry and Meghan Markle, Twitter was awash with congratulatory messages for the royal couple.
Prince Harry and Meghan Markle have finally announced their engagement, with Kensington Palace confirming their royal wedding will take place in spring 2018.
Prince Harry's engagement to Meghan Markle — a mixed-race American raised as Catholic, a full-time actress, and a divorcee — shows that royalty has moved with the times.
Prince Harry was the UK's most eligible bachelor but, with his engagement to Meghan Markle, he is off the market. Millions of women who will never be princesses are devastated.
Prince Harry has been dating the Suits star since the summer of 2016.
According to reports, the couple had been busy finalising plans with royal courtiers over the course of last week and the BBC is said to have been "primed for the royal announcement".
A Daily Mail report has claimed that Harry has already proposed to the Suits actress and that the Royal expected to announce his engagement to Meghan Markle imminently.
Duke and Duchess of Cambridge also visited Aston Villa football ground on their visit to Birmingham today.
The sighting comes just after the Queen and Prince Philip's 70th wedding anniversary on Monday 20 November.
Brand Finance predicts THAT the Suits star will have a huge impact on the monarchy and British economy.
The eldest granddaughter of Emperor Akihito and Empress Michiko announced her engagement to her former university classmate, Kei Komuro in September.
Queen and Duke of Edinburgh are thought to be hosting a small family gathering at Windsor Castle today (20 November).
Thomas Markle lottery luck funded his daughter's education in top schools which her half-brother Tom believes paved the way to meeting the British prince.
Queen Elizabeth II and husband Prince Philip mark their platinum wedding anniversary on Monday 20 November 2017.
The Queen and Prince Philip celebrate 70 years of marriage on 20 November. The royal couple were married in Westminster Abbey in 1947.
Actor John Boyega confirmed he shared screen space with Prince William and Prince Harry in Star Wars Episode VIII: The Last Jedi.