The actress smiled and gave a brief wave in her first public appearance with the Queen and was also joined by Queen Elizabeth II and Prince Philip.
Markle was sported in a tan wrap coat with a pair of brown boots and a matching Chloe handbag.
Hundreds of people could be seen to catch a glimpse of the royal family and calling out loud "merry Christmas" as they walked past.
The couple is all set to tie the knot on May 19 at St George's Chapel, Windsor Castle in England. (ANI)