An exclusive peek at the trailer for National Geographic’s fascinating Diana documentary. | Vanity Fair

Remembering Diana, Princess of Wales on the 23rd anniversary of her death. Born Diana Frances Spencer, the "People's Princess" was known for her activism and glamour, making her an international icon. She was celebrated in the media for her passionate approach to charity work. Her philanthropic efforts initially centered on children and youth but later included involvement with AIDS patients and a campaign for the removal of landmines. She also raised awareness and advocated for ways to help peo