The Duke of Cambridge and Prince Harry made an emotional return to their mother's former home ahead of the 20th anniversary of Diana's death.
William and Harry spent time reading messages and cards left at the gates of Kensington Palace and chatted to members of the public who came to mark the anniversary.
Floral tributes and banners were also left at the makeshift memorial two decades after the princess died in a Paris car crash on August 31, 1997.
The visit was reminiscent of one the Royal brothers made in the days following her death, when they went to view messages and floral tributes left in her memory.
Earlier yesterday, Harry and William were joined by the Duchess of Cambridge for a poignant visit to White Garden in the grounds of the palace.
The garden was created in Diana's memory to mark two decades since she died.
William, Harry and Kate, who wore a Prada outfit, chatted to representatives of the eight charities closest to the princess' heart after touring the memorial garden.
"Tell me a story about my mum," Harry asked them, as he moved between groups.
English National Ballet director Tamara Rojo told them many popular productions were only staged because of the fundraising Diana had done in her lifetime, adding: "That's something we celebrate."
William said: "We've got plenty of pictures.
"I remember her showing me ballet shoes she had been given and she was so proud of them.
"She loved dancing, she was a fantastic dancer."
The garden, which features white roses, daffodils and the princess' favourite forget-me-nots, also has lilies, gladioli and cosmos.
It has been open since the spring and will remain open into September.