Harry was then seen laughing as he responded to his wife, while Meghan did her best to hide a smirk from her face.
They kicked off the second day with a meeting with Irish President Michael Higgins, during which Harry announced "it's coming home".
As an Honorary Air Commandant of the RAF Air Cadets, the Duchess of Cambridge has added her sparkling Air Cadets Dacre brooch to her lapel.
But Meghan, Britain's new Duchess of Sussex, doesn't play by the normal fashion rules as she has been displaying a number of global brands during her myriad recent public appearances. Wickstead should also feel relieved that Markle wore her hair down, in loose waves, after criticising her wedding hairstyle, too.
The evening event held at Glencairn House boasted a 300-strong guest list and Prince Harry took to the stage to give a touching speech.
HELLO! spoke to Leeanne Hundleby, the co-owner and founder of Strathberry who revealed: "We are delighted that the Duchess of Sussex chose to carry Strathberry for her début official oversea visit to Dublin, the third time she has championed our brand".
"The fact that Harry and Meghan have been asked by the Foreign Office to go to Ireland shows just how much faith the Queen has in both of them as working royals", Katie Nicholl, the author of Harry: Life, Loss, and Love, told ET of the trip. They will also visit the historic Book of Kells in the Old Library at Trinity College, followed by a walk around the college itself.
The Duchess of Sussex is expected to be politically impartial, but it seems she might have slipped up on an official visit to Ireland.
This includes attending a Gaelic sports festival at Croke Park and a summer garden party at the British Ambassador's residence.
Other visits include DogPatch Labs to meet youth learning coding through free workshops.