The Duchess of Sussex's "bulletproof" smile is "authentic" and "the real Meghan," according to a body language expert.
Meghan Markle, 40, was spotted beaming as she walked with William and Kate, Duke and Duchess of Cambridge, recently.
Judi James, a leading communication and body language expert, called the smile "beautiful and bulletproof" and said Meghan's pearly grin has barely changed since she was a girl.
The expert said it was "not a performance applied for her royal profile".
Speaking to Express.co.uk, Judi added: "As her appearance at St Paul’s proved during the jubilee, she has a smile that is both beautiful and bulletproof.
"Not only does it look congruent and authentic on her good days, it can also mask any underlying tensions or sadness when she is suffering internally.
"What makes that smile look even more authentic is that it has barely changed since she was a young girl.
"It is not a performance applied for her royal profile: that upbeat, optimistic-looking facial expression is one she was using years ago, suggesting this is the real Meghan."
But Meghan, a former Hollywood actress, has had moments when it has been difficult to muster a grin, Judi pointed out.
During a candid interview with ITV journalist Tom Bradby in 2019, Meghan's smile dropped "suddenly and shockingly" .
She was asked about her own mental health in light of being a new mother.
And to this Meghan decided to "skip the royal ‘rule’ about never complaining and let the world know how she herself was feeling about life as a royal wife".
Judi, who is also an author, continued: "Her rather tight ‘thank you for asking’ precedes a total alteration in her facial expression. Her brows rise in an ironic gesture, her mouth smile drops and her lower lip juts.
"Her hands are stuffed into her pockets and when she speaks there is a slow, cut-off eye blink before she makes eye contact.
"There are long, reflective pauses before her mouth pulls into a faint, asymmetric smile."