Princess Beatrice's step-son made his royal debut as he joined Prince George, Princess Charlotte, Prince Louis and the rest of the Queen's family for the People's Jubilee Pageant.
Christopher Woolf, known as Wolfie, is the son of Bea's millionaire husband Edoardo Mapelli Mozzi and his ex Dara Huang.
The couple largely keep him out of the royal spotlight, however decided to bring him to London for Sunday's Jubilee celebrations.
He was sat between his dad and step-mum with the rest of the royal family, in the row behind the Cambridge kids.
He was spotted eating a chocolate biscuit and looking through the pageant programme with Beatrice.
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However the couple left their younger daughter Sienna, who was born in September last year, at home.
Princess Eugenie and Jack Brooksbank bought their one-year-old son August to the event and the Tindall and Phillips children were also in the royal box.
The royal children could be seen playing about together in their seats and turning around to talk to each other, with Louis entertaining TV viewers with a series of funny faces.
Wolfie played a starring role in Beatrice and Edo's royal wedding in 2020, however as they decided to keep details of the day secret we didn't get to see any photos of him.
He acted as best man for his dad as well as page boy.
A friend of the couple told the Daily Mail that the youngster was asked to carry out the role because they wanted to show that he is loved and embraced by Beatrice.
They said: "Bea is totally into the stepmum role. She’s very concerned about getting it right and making every effort to be a second mother to Wolfie.
"She’s totally devoted to him and talks about him all the time."
They also said that Beatrice is working hard to make sure Wolfie knows he has two families, including making sure their home is filled with photos of him.
They continued: "Bea has always been really close to Edo’s family, so it’s natural that Wolfie should become part of hers.
"He’s a super little boy and extremely cute. It will be interesting to see what happens when they start their own family – but Bea is so caring, his happiness will always be her number one priority."
