Popsugar Celebrity The Royals Kate Middleton Breaking Royal Protocol Kate Middleton Has Broken Royal Protocol More Times Than You Think 28 December 2018 by Kelsie Gibson View On One Page Photo 14 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 14 In July 2016, Kate's hemline raised eyebrows yet again as she visited the Royal International Air Tattoo. Previous Next Start Slideshow The RoyalsThe British RoyalsKate Middleton