I could tell [her] anything, and it would be okay. I carry [her] heart (I carry it in my heart),” Markle’s friend wrote of their relationship.

The Duchess of Sussex was the subject of a damning report by Vanity Fair, which cited sources claiming that "several" of her former staff had to take "breaks from work to escape scrutiny", leave their job altogether or undergo "long-term therapy".

Author Lindsay Jill Roth has been close friends with Meghan Markle for years and has also spent time getting to know the Duchess of Sussex's husband, Prince Harry

Meghan Markle will join Prince Harry at the Invictus Games in Canada in February, marking a shift away from the couple's professional separation strategy. The Duchess of Sussex, 43, has made the decision following the recent appointment of Three Gate Strategies as the couple's communications team.

The Duke and Duchess of Sussex have faced criticism over the last week following the publication of a damning Vanity Fair article.

The Duchess of Sussex, 43, decided to accompany her husband after their communications were taken over by PR firm Three Gate Strategies earlier this month