This tentative return to work follows a year of health problems.
In January she was in hospital for abdominal surgery and then in March it was revealed that she was undergoing cancer treatment.
There were a couple of public appearances, at Trooping the Colour and the Wimbledon tennis championship, but it has mostly been a year away from the public eye.
Last week’s highly personal video, filmed with her family in Norfolk, described her emotional journey during the months of her cancer treatment – saying that “out of darkness, can come light”.
The princess described the “stormy waters” of her experience of cancer and how it had felt “complex, scary and unpredictable”.
“With humility, it also brings you face to face with your own vulnerabilities in a way you have never considered before, and with that, a new perspective on everything,” she said.