Popsugar Fashion The Royals Fashion Facts About Princess Mary of Denmark 17 Fashion Facts You Never Knew About Princess Mary of Denmark June 1, 2016 by Samantha Sutton View On One Page Photo 2 of 24 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 But She Has Stepped Out in the Same Outfit as Kate's Sister, Pippa Mary wore this Project D dress to the christening of Princess Athena of Denmark. Previous Next Start Slideshow The RoyalsMary, Crown Princess Of Denmark