Sussex Royal is not far behind from Kate and William's Kensington Royal.
Prince William pledges to give five winners a year to find solutions to environmental crises for the next ten years.
The Cambridges included snippets of their time with the Sussexes as well as Archie's photocall in their Instagram "Year Review" video.
A busy year ahead for the Duke and Duchess of Cambridge.
Princess Charlotte is "obsessed with horses," too.
Prince Harry and Meghan Markle file trademark for their foundation.
It was Prince William who took the two older children for a "dress rehearsal" a few days ahead of the event.
Royal fans find it adorable that Princess Charlotte curtsied at Queen Elizabeth II during her first Sandringham appearance.
Prince Andrew maintains a "low profile" during the procession.
Baby Archie brings festive cheer in a sparkly animated Christmas e-card.
The Duke and Duchess of Cambridge join Queen Elizabeth II for a traditional Christmas walk to the Church in Sandringham.
The Queen's children and grandchildren have frequently been caught up in mischief, but few of their problems have approached the one now facing Prince Andrew.
The photographs were taken in the Music Room of the Palace by Getty photographer Chris Jackson during the queen's Christmas lunch on Wednesday.
The palace confirmed that the royal couple are spending private family time in Canada.
Prince Philip has been admitted to the King Edward VII Hospital in London on Friday for observation and treatment related to a pre-existing condition.
Prince William and Kate Middleton share a "true partnership."
Cambridges' holiday portrait features Kate Middleton, Prince William, George, Charlotte, and Louis in casual look.
Queen Elizabeth II's pre-Christmas lunch brings extended royal family together.
The Duke and the Duchess of Cambridge are planning to take Prince George, Princess Charlotte and Prince Louis, for some winter fun in the snow in the new year.
A brief clip shows Kate Middleton's awkward reaction to husband's public display of affection.
The royal family comes together for a celebration at Queen Elizabeth II's ancestral home in Sandringham.
The Duchess of Cambridge admits she owns a whole range of cookbooks by Mary Berry.