Meghan, who often wears her long dark locks hanging loose, wore her hair in a classic up-do, which was reminiscent of her wedding style, and kept her make up understated, showing off her natural beauty.
The Duchess of Sussex attends the "Your Commonwealth" Youth Challenge Reception at Marlborough House, London.
In a speech at the event, Harry said: "Meghan and I are incredibly excited to meet so many of you representing the future of the Commonwealth". He added, "I can also say she intends to become a United Kingdom citizen and will go through the process of that, which some of you may know takes a number of years". The former actress has worn the Brit's designs three times since being publicly linked to Harry - once for her wedding reception, for which she slid into a stunning halter-neck gown , and again at the Queen's birthday celebrations in April, where a lovely deep-blue caped dress was the order of the hour.
Social media immediately became split on the video - with some saying the former "Suits" star did not adopt the British accent and others panicking that the new royal was losing her American one.
According to Kensington Palace, the event is the "culmination of the Commonwealth's youth leadership workshop".
The event marked Prince Harry's first official undertaking in his new role as a Commonwealth Youth Ambassador.
"It really was most thoughtful of you and greatly appreciated by Their Royal Highnesses who send you their very best wishes".
The pair returned to work at Trooping The Colour on Saturday, June 9, which saw Meghan's first appearance with the royal family on the Buckingham Palace balcony to watch a fly-past. "They were just laughing because they were joking about how they were exhausted and finally it was over".
Later in the year, the Duke and Duchess of Sussex will embark on an overseas visit to Australia, New Zealand, Fiji and Tonga.