Popsugar Celebrity The Royals Prince William and Kate Middleton on St. Patrick's Day 2018 The Duchess of Cambridge Flaunts Her Growing Baby Bump at the Irish Guards St. Patrick's Day Parade 19 March 2018 by Terry Carter First Published: 17 March 2018 View On One Page Photo 2 of 28 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Previous Next Start Slideshow The RoyalsThe British RoyalsSt. Patrick's DayPrince WilliamKate Middleton