Lady Kitty Spencer’s status in the fashion industry is always on the rise. Princess Diana’s niece has established herself as something of a style icon – and her latest look did not disappoint. SEE: Princess Diana’s most iconic royal accessory finally goes on display The 31-year-old model looked breathtaking in a white lace midi dress by Dolce & Gabbana. In a post shared on social media, the blonde beauty sported the angelic frock, which featured a silhouette, romantic lace panels, a sweetheart neckline and ruffled detailing.