Popsugar Fashion Princess Beatrice Princess Eugenie Wedding Guest Dresses Princess Eugenie Knows Exactly How to Be the Best Dressed Wedding Guest October 12, 2018 by Gemma Cartwright View On One Page Photo 8 of 23 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 The Wedding of Prince William and Kate Middleton Eugenie wore a royal blue ensemble by British designer Vivienne Westwood, finished with a feathered hat by Philip Treacy. Previous Next Start Slideshow Summer FashionThe RoyalsPrincess BeatriceWeddingsWedding GuestsDressesPrincess EugenieThe British Royals