Prince William and President Donald Trump sparked a social media debate by wearing blue suits instead of black clothing to Pope Francis' funeral6.

Prince William wore a dark blue suit instead of the traditional black attire for Pope Francis's funeral. Here's what you should know.

Prince William traveled to Vatican City on Saturday, April 26 in order to attend Pope Francis's funeral. King Charles didn't attend the funeral, which brought together a plethora of world leaders. According to a royal expert, there's an important reason Charles decided to send William to the funeral in his place.