Popsugar Family Celebrity Families Prince George's Nickname For Prince William Prince George Doesn't Just Call William "Dad" — His Chosen Nickname Is SO Much Cuter July 22, 2019 by Alessia Santoro First Published: November 28, 2018 View On One Page Photo 4 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Prince William with George and Charlotte prior to the pair meeting their new baby brother, Louis. Previous Next Start Slideshow Kate MiddletonPrince WilliamPrince GeorgeCelebrity FamiliesThe British RoyalsParenting News