Kate Middleton and Prince William Sport Fancy Headwear for Garter Day Ceremony

Prince George, alas, stayed home.

Kate Middleton in Alexander McQueen Dress at King Charles Coronation

4,665 Order Of The Garter Photos & High Res Pictures - Getty Images

Kate Middleton Supports Prince William at Order of the Garter Ceremony

Kate Middleton wears head-to-toe blue at Order of the Garter

Kate Middleton supports Prince William at event that marks milestone in their love story

Prince William steals glance at Kate, Duchess of Cambridge, at Order of the Garter service

Kate Middleton's My Fair Lady inspired look at Order of the Garter

Kate Middleton Channels 'New Style Inspiration' Diana in Garter Day Fashion

Prince William steals glance at Kate, Duchess of Cambridge, at Order of the Garter service

Kate Middleton Does '80s Dressing in Alessandra Rich for Garter Day Service - Yahoo Sports

Kate Middleton's Top Garter Day Fashion Moments

Kate and Sophie forced to hold onto their hats as wind wreaks havoc on outfits, Royal, News

Kate Middleton's Top Garter Day Fashion Moments

Kate Middleton attends Garter Day with Prince William - 9Honey