Per Hello! magazine, Kate, Prince William, Prince George, Princess Charlotte, and Prince Louis will be celebrating privately at home, in light of the coronavirus outbreak.
This private celebration isn't too different from the usual holiday plans the royals have; they usually like to celebrate together at home.
The magazine notes that the family is likely spending time at their home at Anmer Hall in Norfolk, where they like to let the children explore nature and country life.
Wherever they are, the family of five is certainly acknowledging the day as best they can during this global pandemic. Earlier on Sunday, the Cambridge's official Instagram account shared a collection of photos to celebrate the day.