In fact, they've known for months what kind of a go-getter she is.
The former "Suits" actress expertly paired the almost $3,000 double-breasted cashmere-blend coat from the British brand with black Adley trousers from Veronica Beard's resort '18 collection.
During the walkabout, Ms Markle chatted briefly to Vicki Thorpe, 49, and daughter Erin, 11, from Welwyn Garden City, who waited in the freezing weather for hours to catch a glimpse of the couple. She said: 'I bought these last night, I don't mind if Meghan or Harry takes them. It was their first time to Scotland as a couple, and followed their recently visit to Wales in January.
HollywoodLifers, admit it - did you laugh at Prince Harry, too?
If this is what she's doing for the people now, we've all got high hopes for when she's an official royal!
Take two: Frank Reich will be Indianapolis Colts' new head coach
Reich may want to take some current Eagles assistants with him, too, keeping in line with the business model that is the NFL. He has been able to observe two of the greatest in National Football League history, backing up Kelly and coaching Manning.
Markle's solo visits, confirmed to ABC News by sources close to Markle, are reminiscent of the secret visits Harry's mother, the late Princess Diana, paid to various charities during her lifetime. If the Lord Lieutenant is unable to be present he may ask a Deputy Lieutenant to represent him, and he has done this by asking Philip Young DL and Chair of OneCityTrust to greet the royal couple at Social Bite in the city centre. Once inside the castle, they will observe the firing of the One O'Clock Gun - a tradition that started in 1861.
Social Bite has a history attracting famous faces and while royalty is visiting today, they've previously enticed Hollywood royalty to pop by.
Afterwards, they visited a charity sandwich shop run by the social enterprise Social Bite, which provides employment and support for homeless people in Scotland.
George, 62, who has been selling The Big Issue for four years, was invited to the royal appointment by Social Bite founder Josh Littlejohn because he's such a loyal customer.
"First on the list is silver service - she must be able to tell a fish knife from her butter knife, know how to handle seafood, drink soup and so on".