Scotland Yard's Fixated Threat Assessment Centre, which exists to "assess and manage the risks from lone individuals who harass, stalk or threaten public figures", has since declared Markle a "fixated person", on the basis that she refuses to leave her sister alone.
Months later, the parents of Prince George, Princess Charlotte and Prince Louis broke another protocol when they attended Princess Eugenie and Jack Brooksbank's nuptials. Kate on the other hand is more subtle, and "quietly besotted" white her children.
Meghan Markle sparked a global debate about baby bump cradling after her surprise appearance at the British Fashion Awards.
Harry and Meghan's first year as a married couple has been fairly bumpy - mostly for the former Suits actress, who has been hounded by embarrassing and indiscreet family giving interviews about her. More formal events warrant less PDA.
"Meghan has realized that the royals have been doing this for centuries and aren't going to change their ways", the insider said. "She's insanely smart and poised, but very, very guarded".More news: Pull-out from Syria changes nothing in United States support for Israel: Pompeo
According to Us Weekly, Kensington Palace would not comment to The Sunday Times regarding their report and Scotland Yard would not confirm the identity of any person that is "of interest to the police unless that person has been charged". She most recently made headlines for sharing a Christmas message for Meghan with the Mirror.
An artist has shared her incredible imaginings of what Kate and Meghan's friendship with their late mother-in-law might have looked like.
Judi said: "This more open signalling suggests a desire to bring her pregnancy into the conversation as her favourite topic of choice".
She also went on to accuse the media of being "fixated" rather than her.
Harry and Meghan's absence at the shoot on Stephen's Day was noticeable, but royal sources have told the publication that the pair are believed to have gone on holiday.