Prince William, 37, and Kate Middleton, 37, included Prince Harry, 35, and Meghan Markle, 38, in a caption celebrating the work of Shout - a 24/7 crisis text service.
Could the rumored royal rift be over?
The Duke of Cornwall admitted he was 'practically reduced to tears' when his son took an interest in inheriting the Duchy.
The Duke and Duchess of Cambridge, the Duke and Duchess of Sussex, and the Prince of Wales and the Duchess of Cornwall, have joined Her Majesty at the event ahead of Remembrance Day.
Harry and Meghan's reunion with William and Kate marked the first time the brothers have been seen together since Harry acknowledged in an October documentary that there were tensions between them.
The royal Fab Four came together for the Festival of Remembrance Service.
Harry and Meghan were seated in the second row of Royals behind Prime Minister Boris Johnson and his girlfriend Carrie at Royal Albert Hall in South Kensington, West London.
Prince Charles wrote an article In Country Life magazine to mark his 71st birthday. In the piece, he said that farmers want to be save the environment but risk going out of business.
The Sussexes could stay at home in Windsor or travel to be with Meghan's mother Doria Ragland following a gruelling year which has left them both needing to 'recharge their batteries'.
The Duke of Sussex will be reunited with his brother, the Duke of Cambridge, for Remembrance Day events this weekend, marking the first time they will have been seen together in public since he addressed rumours of a rift.
The youngins are making Prince Harry blush during his visit to Japan.