The Duke and Duchess of Cambridge may have two children but Kate has joked about having a third – after being given a present designed for newborns.
Kate speculated about the prospect of another child when she was offered a cuddly toy designed to soothe tiny babies during an event for start-up tech companies in Warsaw.
Saying thank you for the present, she turned to the Duke, laughing, and said: “We will just have to have more babies.”
The royal couple later attended a birthday party for the Queen in Warsaw’s Lazienki Park.
William praised the strong relationship between the UK and Poland in his speech at the celebration.
Kate wore an Alexander McQueen dress with a daring neckline during the glamorous garden party in the Polish capital.
The Duke and Duchess will meet Holocaust survivors when they visit a Nazi concentration camp on their second day of their tour.
William and Kate will tour the former Stutthof camp to learn about the atrocities committed during the Second World War.