Various royals and politicians also took to social media to offer their congratulations.
Prime Minister Theresa May said: “I would like to offer my very warmest congratulations to HRH Prince Harry and Meghan Markle upon their engagement.”
“This is a time of huge celebration for two people in love. On behalf of myself, the Government and the country, I wish them great happiness for the future.”
Her predecessor David Cameron added: “Congratulations to Prince Harry and Meghan Markle. Wonderful news and I wish them a long and happy life together.”
“HUGE congratulations to Prince Harry and Meghan Markle – fantastic news! Here’s to a happy and long life together,” tweeted Boris Johnson.
“It has been wonderful getting to know Meghan and to see how happy she and Harry are together,” they said in a statement.
Similarly, Meghan’s parents said in a statement according to DailyMail “We are incredibly happy for Meghan and Harry. Our daughter has always been a kind and loving person.”
“To see her union with Harry, who shares the same qualities, is a source of great joy for us as parents. We wish them a lifetime of happiness and are very excited for their future together.”