'I have no doubt that this couple will do extraordinary things, both individually and collectively. Congratulations!' she wrote.
Prince Harry and Meghan Markle have announced their wedding date but it clashes with the FA Cup final and it's a Saturday, meaning there definitely won't be an extra bank holiday.
Kensington Palace announced earlier this month that the Royal household will pay all costs for the big day.
Royal couple give all 1,500 members of staff a Tesco Christmas pudding. Last year the desserts came form Fortnum and Mason- a much pricier present.
Prince Harry and Meghan Markle were seen stocking up on festive treats at the departmental store's newest outlet in the London district of Wimbledon.
Prince Harry's fiancee has taken to royal life like a duck to water, and she hasn't even taken the trip down the aisle yet.
Hamish Shepard, founder of wedding planning website and app Bridebook, offers insights into what will happen on royal wedding day.
The Duchess of Cambridge has "been there and done that" and plans to take Meghan Markle under her wing.
National Secular Society (NSS) has sparked a furious debate on the disestablishment of church from state.
Hamish Shepard from planning website Bridebook offers his insights on how much the royal wedding cake will cost.
Markle is set to make many high-profile friends after her move to the UK. The pair have said to have bonded over beauty and hair tips.
As she prepares for royal life, Meghan Markle's Toronto home, where she stayed while filming Suits, goes up for sale.
Prince Harry has been spotted on a hunting trip in Germany with a friend nicknamed 'The Boar Terminator' thanks to videos of his hunts on social media.
Hamish Shepard, founder of Bridebook, makes his expert predictions about the royal couple's big day.
Suits star Meghan Markle, 36, is a fan of the healthy LA life.
"Harry has several close guy friends, but there's no way he would ask anyone but William to take on the top job," a source said of Harry's best man choice.
Prince Harry's fiancee has to learn a lot about the ins and outs of royal etiquette ahead of the big day in May 2018.
Chef Damian Wawrzyniak, who has served the Duke and Duchess of Cambridge, gives us the inside scoop.
His fiancee Meghan Markle is reportedly spending time with her mother Doria Ragland back in Los Angeles.
"It's such a transition in her life, and it's such a huge thing to take on. Life as she knows it is gone," Matt Smith said about Markle's engagement to Harry.
Meghan Markle is set to undergo training to help her escape should she ever be taken hostage. Princess Diana and Kate Middleton underwent similar training.
Ruby Mae, 22, has been dating Tottenham Hotspur star midfielder Dele Alli for nearly two years. Her modelling career goes from strength to strength.
Suits actress Markle, 36, is set to marry Britain's Prince Harry in May 2018.
Royal siblings set to follow Meghan Markle down the aisle at the royal wedding in May next year. Duke of Cambridge, Prince Harry's brother, will also play a part.
A candid video from Meghan Markle's past has emerged where she talks about her family and the struggles of an aspiring actor.
Prince Harry and Meghan Markle's royal wedding will serve a banana cake instead of the traditional fruit cake.
Markle plans to become a British citizen following her wedding to Prince Harry in May 2018.
"I think it's a very fanciful dream to believe that you just walk into a Prince Charming," childhood friend Ninaki Priddy said.
The Very Rev Kelvin Holdsworth's comments have been hailed as "unkind" and "highly offensive" by Rev Gavin Ashenden.
Meghan Markle, an admittedly accomplished humanitarian, took to the royal engagement like a duck to water.