When the royals once affectionately known as the "Fab Four" emerged from the gates of Windsor Castle, a ripple of shock spread through the gathered crowd.
Prince William and his brother Harry, joined by their wives Kate and Meghan, came together to view the flowers and cards left for their late grandmother, the Queen.
Amid rumours of a huge rift between the couples, it was the first time they had all been pictured together in two and a half years.
