The empire waist reshaped fashion in the early 19th century. It borrowed from classical antiquity and rejected the ridgid styles of the 18th century. While the fashion looked more relaxed, the societal 10 Stunning Empire Waist Plus Size Formal Dresses That Deserve a Plac Hello Curve THIS OR THAT? Take the poll. Empire waistlines were a defining hallmark of the Regency era (1811 1820), instantly recognizable by their high placement just below the bust. This silhouette drew inspiration Plus Size Maxi Mesh Empire Waist Gown Torrid Ava Presley Simple Ruched Satin Prom Dress 47030