Embellished with large floral appliqués, Elliatt's Buttercup maxi dress features adjustable straps and a suiting fabrication for a chic, tailored look. Embellished with large floral appliqués, Elliatt's Buttercup maxi dress features adjustable straps and a suiting fabrication for a chic, tailored look. 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.