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.
On Tuesday at the WellChild awards, which honors children who are dealing with serious illnesses and their caretakers, Prince Harry fought back tears as he spoke about becoming a father.
Could the couple's recent moves be part of a wider plan to redefine the royal relationship with the media?
Thomas Markle is speaking out after the duchess and Prince Harry took legal action against the newspaper which published her private letter.
Prince Harry is continuing his take down of the British press by filing several new claims against the publishers of The Sun and the former owners of The Mirror.