What Wedding Dress Did Princess Beatrice Wear Princess Beatrice Style and Outfits 2015 Glamour Kate Middleton and Princess Beatrice Wear Same Sleek Dress in Opposite Princess Beatrice stuns in waist cinching dress during solo night out Princess Beatrice's Best And Worst Looks. 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