While the former actress was certainly happy to hear that and thanked the woman in front of her, she did clear up one thing.
Finally, Meghan's black jeans were Hiut denim, which just so happens to be a boutique Welsh brand.
The network is still casting for the actor and actress who will play the parts of Prince Harry and #Meghan Markle.
Self-confessed royal fanatic Cynthia Osborne, from Bridgend, presented Kate with a posy of daffodils, the national flower of Wales.
The royal couple was welcomed by crowds of cheering fans and well-wishers, with Meghan also receiving a curtsy from a woman who welcomed the couple outside of the Castle. "I told her to come back to Wales".
"That is why I'm suggesting that as a wedding present to Prince Harry and Meghan we encourage - insist - push Slough Council to donate a building to SHOC".
The Royal Love Story, the Lifetime film will cover how the couple met, the first months of their relationship and their engagement, leading to their wedding on 19 May. Ms Markle agreed writing "Hi Kaitlin" - albeit with a K - and adding a heart and a smiley face. "I've got some roses for Meghan too".
She said, "It's my first time in Wales.' She said she thought it was incredible, and was really excited to be here".
The couple, who started dating in July 2016, will then go on to visit Tremorfa's Star Hub, which is a community and leisure centre in the north-east of Cardiff.
"Judi explained: "'Brand Meghan' was on full display in this third royal appearance from the engaged couple and in terms of body language and styling it was all about modesty and subtlety combined with what looks like a natural desire to lead and take charge. There they learned about how sport is being used to engage young people and how it aids social development.