Flutter sleeves and a deep-v neckline top off the fitted, floor-skimming Jenny Yoo Ellis Gown in luxurious velvet. An open back topped with a slender tie makes a dramatic finishing touch. Flutter sleeves and a deep-v neckline top off the fitted, floor-skimming Jenny Yoo Ellis Gown in luxurious velvet. An open back topped with a slender tie makes a dramatic finishing touch. New York designer Jenny Yoo crafts elegant dresses and gowns from rich and luxurious silks, chiffons, and delicate laces, focusing on unexpected details, cut, proportion, and artistry to ensure the most feminine and flattering fit.