The recent emergence of private letters exchanged between Princess Diana and actor Terence Stamp has shed light on an amusing aspect of the life of Princess Diana, including joking about her use of anti-depressant pills and sending humorous postcards to each other amid their warm relationship in the early 1990s.

As Radar Online reports, the letters up for auction at Bonhams, prove that Princess Diana was quite adept at using humor when dealing with tough times in her life. In one note, she jokingly referenced Prozac in a conversational, self-deprecating tone, while other messages highlight an easy rapport with Stamp that allowed her to speak candidly outside royal formality.

The Princess of Wales joked about Prozac
The Princess of Wales joked about Prozac use in an October 1991 letter. BONHAMS.COM

Items in the collection also include humorous postcards with cheeky imagery and wordplay, reinforcing what auction organizers describe as a relaxed and trusting friendship. RadarOnline first reported details of the correspondence, framing the material as revealing a private and informal side of the princess's life.

While the letters focus on Diana's private exchanges, new reporting from InStyle highlights how her influence continues to shape the public image of the royal family decades later through fashion rather than personal correspondence.

According to the outlet, Catherine, Princess of Wales, paid tribute to Diana during the 2026 Trooping the Colour ceremony by wearing a baby-blue Catherine Walker ensemble widely seen as a reference to one of Diana's 1987 looks. The magazine noted that the outfit echoed Diana's color palette, structured tailoring, and designer choice, as Catherine Walker was one of Diana's favored fashion houses.

In addition to this, the report stated that there is an evident trend when the Princess of Wales makes certain references to the wardrobe of her late mother during official ceremonies. Unlike direct imitation, Kate takes historical pieces of clothing and gives them new life, thus providing a continuity of styles throughout the years.

According to fashion experts quoted in the article, such trends demonstrate the increasing confidence of the young princess, and prove that she now fully understands how to communicate with her audience through clothing. Thus, Kate can pay tribute to Diana while avoiding exact imitation of her mother.

Therefore, the newly found letters of the Princess, along with her current interpretation of royal fashion trends, show two aspects of her personality: her private side that is humorous and emotional, and the one which influences the current representatives of the royal family.

Diana died in a car crash in Paris in 1997 at age 36. Stamp died in 2022 at age 86.

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