The affectionate moment shared between the parents-of-one was caught on video by BBC and quickly circulated by royal fans.
“Part of this role, part of this job and this family being under the pressure that it is under, inevitably stuff happens."
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?
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.
The British talk show host launched a tirade against the royal couple's statement against the press.
A picture of the Duke and Duchess of Sussex, 35 and 38 respectively, kissing on the lips has quickly gone viral on social media.
Meghan praised "amazing dad" Prince Harry and revealed an intimate pic of him admiring his infant son.
Princess Diana has been gone for 22 years, but her two sons have ensured her legacy lives on.