The Duchess of Sussex, 36, looked typically glamorous as she kicked off a second day of engagements in Dublin with a visit to the official residence of President Michael D Higgins.
But it was the designer behind Meghan's sleeveless, fitted look that stole the show.
We have to say, we think the new royal's minimalist look was strikingly similar to the famous black dress that Audrey Hepburn wore in her movie Sabrina.
During the trip, Meghan also met Irish PM Leo Varadkar, but it is not known the topic of the abortion bill came up in their conversation.More news: Doubts if Saudis can replace lost Iranian barrels
Meghan wore a long-sleeved, full-skirted black Dior dress with a bateau neckline, topped off with a Stephen Jones fascinator.
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.
Meghan, Duchess of Sussex joined Prince Harry, Duke of Sussex, Queen Elizabeth, the Duke and Duchess of Cambridge, Prince Charles and Duchess Camilla at the RAF Centenary where they all attended a Royal Air Force Westminster Abbey service.
In Ireland they will spend their time visiting organisations which are "central to Irish life", including the home of Gaelic football and the country's most famous university.More news: Top U.S. Senate Democrat vows to fight Trump's Supreme Court pick
SIMON DAWSON via Getty Images The Duke and Duchess of Sussex at Westminster Abbey on July 10.
"The forest green was a subtle nod to Ireland but it would be nice to see her adopt an Irish designer into her fashion roster over the course of her two-day stay".
The royal couple visited Áras An Uachtaráin on day two of their first overseas trip together this morning after attending a garden party at the residence of the British Ambassador last night.
They will also meet with young coders at Dogpatch Labs in Custom House Quay - as part of Ms Markle's push to encourage more young women and girls to pursue STEM (Science, Technology, Economics & Mathematics) subjects.More news: Croatia beats Russian Federation in shootout to reach semis