The Duchess is on a six-week break from royal duties and is in the US with Prince Harry and Baby Archie.
The duchess stayed true to her roots and celebrated Thanksgiving last Thursday with all the other Americans.
The Duke and Duchess of Sussex won't be on-hand for a drinks reception at Buckingham Palace this week that President Trump is expected to attend.
The affectionate moment shared between the parents-of-one was caught on video by BBC and quickly circulated by royal fans.
Samantha Markle, Duchess Meghan's half-sister, alleges that she is the victim of ongoing cyberbullying that led her to file a criminal complaint.
Meghan's appearance marks her first time at the 91st annual event, which is held each year before Remembrance Sunday to honor fallen servicemen and women.
The Duchess of Cambridge is reportedly 'doing her best' to help the Duchess of Sussex 'behind the scenes.'
“Part of this role, part of this job and this family being under the pressure that it is under, inevitably stuff happens."
The 38-year-old royal has spoken about balancing life as a new mum with the pressures of being in the public eye in a new TV interview.
The prince and wife Meghan Markle were interviewed for a new documentary set to air on ABC on Oct. 23.