Meghan and Harry will have the opportunity to hear from female tech entrepreneurs at the lab. Meghan has always been a supporter of gender equality and programs that foster female empowerment and educational opportunities for women.
He added: "The boat neck and cut is reminiscent of the wedding gown so it's a silhouette she knows wows".
Collier told MailOnline: "The bun is quickly becoming the Duchess's signature look, so it's no surprise to see her sporting this style at today's ceremony".
Earlier the royals attended a service at Westminster Abbey along with dignitaries including Theresa May, Jeremy Corbyn and the defence secretary, Gavin Williamson.
And just yesterday, the Duchess of Sussex attended Prince Louis' christening wearing a deep green bespoke Ralph Lauren draped dress-paired with a low, slick ponytail.
The official Sussex itinerary in Ireland includes parties, sports, meetings with Irish Prime Minister Leo Varadkar and President Michael Higgins, and visits to see the historic Book of Kells in Trinity College's famed Old Library, to pay respects at the nearby memorial to the Irish Famine and to explore the Irish Emigration Museum.
WPA Pool via Getty Images The royals observe the RAF 100th anniversary flypast from the balcony of Buckingham Palace on July 10 in London.
The Royal Flying Corps and the Royal Naval Air Service merged to create the RAF, the world's first independent air service, on 1 April 1918.
Harry and Meghan later joined royals at a Buckingham Palace reception to mark the centenary of the Royal Air Force.