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 Image Source: Getty / Chris Jackson The Duke and Duchess of Cambridge made their annual appearance at the 2018 St. Patrick's Day Parade in the UK on Saturday to honour the Irish Guards. Kate, who is expected to give birth to their third child next month, looked regal in a festive green coat trimmed with black fur cuffs and a black fur collar. Prince William looked equally dapper in his traditional ensemble as well. During their visit, Kate and William got in on the celebrations with a pint of Guinness for William and a glass of water for Kate, of course. Kate also petted the regimental wolfhound mascot outside while flaunting her growing baby bump. Keep reading to see more photos from their fun outing, then see all of their cutest family moments over the years. Image Source: Getty / Chris Jackson 1 / 28 Image Source: Getty / Chris Jackson 2 / 28 Image Source: Getty / Chris Jackson 3 / 28 Image Source: Getty / Chris Jackson 4 / 28 Image Source: Getty / Chris Jackson 5 / 28 Image Source: Getty / Chris Jackson 6 / 28 Image Source: Getty / Chris Jackson 7 / 28 Image Source: Getty / WPA Pool 8 / 28 Image Source: Getty / Chris Jackson 9 / 28 Image Source: Getty / WPA Pool 10 / 28 Image Source: Getty / Chris Jackson 11 / 28 Image Source: Getty / WPA Pool 12 / 28 Image Source: Getty / WPA Pool 13 / 28 Image Source: Getty / WPA Pool 14 / 28 Image Source: Getty / WPA Pool 15 / 28 Image Source: Getty / WPA Pool 16 / 28 Image Source: Getty / WPA Pool 17 / 28 Image Source: Getty / WPA Pool 18 / 28 Image Source: Getty / Chris Jackson 19 / 28 Image Source: Getty / Chris Jackson 20 / 28 Image Source: Getty / WPA Pool 21 / 28 Image Source: Getty / WPA Pool 22 / 28 Image Source: Getty / Chris Jackson 23 / 28 Image Source: Getty / WPA Pool 24 / 28 Image Source: Getty / WPA Pool 25 / 28 Image Source: Getty / WPA Pool 26 / 28 Image Source: Getty / WPA Pool 27 / 28 Image Source: Getty / Chris Jackson 28 / 28 The RoyalsThe British RoyalsSt. Patrick's DayPrince WilliamKate Middleton