“Her smile is dimpled and her upper and lower teeth are visible and slightly edge-to-edge, making it look like a knowing smile of shared fun.
“Intense, exclusive eye-attention like this is also usually a sign that someone has just met a person they like and want to share a conversation with.”
Zara is the eldest granddaughter of Queen Elizabeth II, but she lives a more private life than some of her royal cousins.
This is because she was not given a royal title and does not officially work for the monarch.
Her casual role within the Royal Family could give her the opportunity to be more openly tactile in public, Judi claimed.