Popsugar Celebrity Kate Middleton Pictures of Kate Middleton Before Becoming a Royal Kate Middleton's Life Before Joining the Royal Family, in Pictures July 21, 2019 by Kelsie Gibson View On One Page Photo 28 of 44 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 28 June 2008 Kate joined the royal family as they attended a service for the Most Noble Order. Previous Next Start Slideshow The RoyalsKate MiddletonThe British Royals