The Duchess of Cambridge and Sussex chat at the annual Trooping the Color in London.
Prince Harry spent time serving with the British military in Afghanistan and was the first British Royal to be sent into combat in more than a quarter of a century.
Moving along the procession earlier today, the Duchess of Cornwall and Duchess of Cambridge were in a carriage together while a third carried Princesses Beatrice and Eugenie, the Countess of Wessex and her daughter Lady Louise.
Kate and Meghan's friendship seems to be a sweet one, as it's said that Kate actually helped introduced Meghan to her favourite fashion brands based locally.
Some criticized the off-the-shoulder design for being "inappropriate".
The short-sleeve number defied the customary long sleeve variations sister-in-law Kate Middleton has worn since her Trooping debut in 2011.
"We are personal drummers to her majesty, we get a royal warrant signed to that effect, and it is the greatest honour in the world, you can't beat it", he told the Press Association.
Cohen, 49, reportedly helped the Duchess on an array of issues, including how to correctly address people, how to behave on royal tours at home and overseas, and how to be an effective member of the Royal Family.
However, it's not clear whether off-the-shoulder outfits are explicitly prohibited, or whether they simply fall under the category of being too "informal" for such an event.
The pair were spotted looking lovingly at each other while the Queen made her way into the palace.
They watched as this year's colour, the flag of the 1st Battalion Coldstream Guards, was trooped on Horse Guards, Henry VIII's former jousting yard. No thanks", said another, before adding: "P.S.
In fact, it's believed the American actress began receiving "Duchess lessons" several months ahead of her Royal Wedding on May 19. Others, however, were quick to rush to her defense saying that Meghan was bringing a fresh look to the usual "stuffy" royal etiquette.