Emily, the daughter of former Invictus competitor and Paralympian David Henson and his wife Hayley, seemed pleased to be perched next to the prince, but even more pleased to be able to help herself to his popcorn.
Proving he's incredibly good with kids - and, we're guessing, the fun uncle to Prince George and Princess Charlotte - Harry poked faces at the toddler and laughed as she tried to steal his snacks.
See the adorable moment below.
This article originally appeared on Marie Claire.
