Meghan Markle makes special gesture for Prince Harry on UK milestone 

Meghan Markle's special tribute to her beloved Prince Harry has been caught on camera.

The Sussexes' intimate family moments have become part of Meghan's close pal Kelly McKee Zajfen's Instagram photo dump from a UK trip.

Kelly shared a series of pictures, showcasing her and her family's time with the Sussexes in the UK. 

READ MORE: Meghan Markle 'teases' royal family in new video amid Spencer collab talks

One specific photo grabbed fans' attention because of Meghan's black cap.

The Duchess of Sussex was spotted playing a board game with her friends at Soho House’s Marcus Anderson. 

For the outing, Meghan donned black leggings with a black casual jacket and a black cap. However, the cap is embellished with PH 40, probably a tribute to Prince Harry's 40th birthday.

As per People, the Duchess specifically had the hats made to celebrate her husband's milestone birthday. 

The other important take from Kelly's Instagram post was her revelation about how Britons warmly welcome her friend Meghan.

READ MORE: Meghan Markle puts Princess Kate, royal family on alert with huge UK win

She wrote, "UK, you’ve been so good to us. We’re leaving with full hearts and definitely leaving a piece of ours here.

"To everyone we’ve met or bumped into, thank you for being so loving to my friend. It’s been beautiful to witness. She missed you too."