Popsugar Celebrity The Royals Prince William and Kate Middleton on St. Patrick's Day 2019 Prince William and Kate Middleton Celebrated St. Patrick's Day With Guinness and Giggles 17 March 2019 by Karenna Meredith View On One Page Photo 8 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Previous Next Start Slideshow The RoyalsThe British RoyalsCelebrity CouplesPrince WilliamKate Middleton