Meanwhile, many people also pointed out a strong resemblance between Louis and Kate’s father, Michael Middleton.

Louis Compared to His Grandfather, Michael Middleton

“Wow, Prince Louis is stylin’. I think he looks more and more like his grandpa Middleton every day,” one person wrote on Twitter, adding: “#cutekid.”

Another agreed: “Beautiful pictures, and yes, young Prince Louis definitely got the cool gene! He also looks so much like his handsome maternal grandpa.”

A third person gushed: “I feel like we are seeing Michael Middleton grow up. They look so SO much alike.”

Someone else added: “Grandpa Middleton! Spitting image!” while another fan echoed: “He’s such a Middleton. Spitting image of Michael.”

A Sweet Tribute from Last Year

At last year’s carol service, Prince Louis left an adorable message that seemed to be a tribute to his grandparents.

The event featured a Kindness Tree outside Westminster Abbey, inviting visitors to leave notes for loved ones.

Louis sweetly wrote: “Thank you to granny and grandpa because they have played games with me.”