Meghan Markle is channelling Princess Diana’s subtle tactics, it has been claimed. The Duchess of Sussex wore a floral landscape dress for a visit to a children’s hospital, which was a very different style to her usual look. The late Princess Diana was often pictured wearing a Bellville Sassoon dress in cobalt blue. According to its designer, David Sassoon, it was the dress she would reach for when visiting children (particularly those in hospitals around the world). This was in an attempt to bring some joy to the children who were kept in hospital. The Duchess of Sussex adopted the same style…