The photo shows Prince William and Kate Middleton's youngest riding a bright red bike before his first day at nursery school.
The Duchess of Sussex was unable to attend the ceremony, as she is pregnant and was advised not to travel.
Watch royals, presidents, prime ministers and princesses wish Ireland a happy St. Patrick's Day. Celebrations are due to be dulled this year due to the coronavirus pandemic, although dozens of landmarks around the world will still light up green to mark the occasion.
Ahead of Meghan and Harry's sit down with Oprah, we look back at the Royal walk-offs, shocking revelations and emotional moments from interviews past.
It's hard to believe that Meghan Markle and Prince Harry's announcement that they were stepping back was in January 2020.
They were there to thank frontline workers.
PM supports royals amid questions over their visits to Scotland and Wales
The Duke of Cambridge is being criticised for not sharing that he tested positive for Covid-19 earlier this year.
The Duke of Cambridge was photographed peering into the fast food chain.
The seven-year-old, who watches nature shows before bed, said: "I don't want to watch this anymore."