Princess Beatrice just wore the dress brand that BEATRICE DRESS Princess Beatrice says it was an honour to wear Princess Beatrice's most stylish wedding guest dresses: 10 of her very. Romanticize your life in the Beatrice Dress. This little number is the perfect mix between effortless and fun. It has adjustable straps that join a sleek, shapely bodice. The back has a zipper for easy accessibility. The dress itself maintains a fit and flair silhouette, with a layered tiered mini skirt. Add a cardigan overtop for cooler days and finish the look off with high shaft western boots. Mixed media Adjustable straps Fit and flare Zipper Fabric Self: 100% Cotton Lining: 97% Polyester 3% Spandex