Tributes to the royal baby are pouring in from all over the world with presidents, celebrities, sports stars, religious leaders, zoo keepers and even puppets among well-wishers.
Among the most popular online messages is a Muppets video starring Kermit the Frog and Miss Piggy.
The duo send their congratulations, with Kermit fleeing as an excited and broody Miss Piggy — wearing a string of pearls and an outfit that may have been inspired by the Duchess of Cambridge — suggests the prospect of “the pitter-patter of tadpole feet”.
Meanwhile, Taronga Zoo’s naming of its new bilby enclosure after the King-in-waiting has made international headlines as one of the more unusual tributes.
Mem Fox’s beloved children’s book Ten Little Fingers and Ten Little Toes will also be among the official baby gifts sent from Australia.
Hillary Clinton is among many who sent their congratulations via Twitter in this digital age, while the popular UK tabloid The Sun renamed itself The Son for a day.
Celebrity chef Jamie Oliver’s video of himself making a meat pie dedicated to the new parents is also rating highly on YouTube.
Aston Villa, the football team that Prince William is understood to support, sent a miniature uniform bearing the number one for the yet to be named boy.
Landmarks around the world were lit up in blue after the baby’s arrival, while bells rang for three hours at London’s Westminster Abbey.
Watch the video here: