The Elliatt Briony Maxi Dress offers effortless elegance with its flowing tiered silhouette, ruffled halter neckline, and dramatic high-low hem. The Elliatt Briony Maxi Dress offers effortless elegance with its flowing tiered silhouette, ruffled halter neckline, and dramatic high-low hem. Founded by Katie Pratt in 2010, ELLIATT stands out for its high-glamour pieces with a playful twist. Exceptionally feminine, the Australian label is celebrated for its fusion of bold colors, wearable silhouettes, and luxe fabrications.