Family portraits have long been a Christmas card tradition, and royal households follow the same custom. Every December, royal families around the world send out official holiday cards. Sometimes the portraits are formal and taken specifically for the mailing itself. But others reflect a special moment in the year that passed.

From photos of Prince William and Prince Harry as kids to King Charles' first Christmas card as monarch, here's all the royal Christmas cards through the years.

Taylor Swift is spreading holiday cheer in signature style—with perfectly on-theme Christmas cards for a selection of people. Members of the singer’s publicity list have begun receiving a festive Christmas package that includes an Eras Tour–themed snow globe and a custom holiday card.

Denise Novakovic has distributed 27,000 repurposed Christmas cards over more than a decade, with her latest donation of 12,000 cards going to the American Red Cross in Downtown Cleveland.