ceremony since ascension to the throne—and first since assuming her new title as Princess of Wales.Fitting, then, that she eschewed in favor of something a little more daring: a custom look by Singapore-born, Paris-based designer Andrew GN, paired with a hat. The shamrock-green hue is, of course, a nod to Kate’s role as colonel of the Irish guards—as is the Cartier brooch affixed to her lapel, which the Princess of Wales also wore on earlier this year.