Popsugar Celebrity Kate Middleton How Tall Is Kate Middleton? If Prince William Is 6'3", Just How Tall Is Kate Middleton? September 19, 2019 by Lauren Turner View On One Page Photo 1 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Kate stands out on the steps of St. George's Chapel after the wedding of Prince Harry and Meghan Markle. Previous Next Start Slideshow The RoyalsKate MiddletonThe British Royals