The striking studio photographs of Pamela, above and right, were reportedly taken only a few days before her murder. They show, surely, a fashion conscious young woman with a certain confidence in her own image.
The black dress in these shots is of the period - the 1930s. It was an age when young people still aped their elders; there was no "teenage" fashion.
Peking may have been a long way from Europe, but its foreign residents kept right up to date with the day's styles (as did also many wealthy Chinese).