Gorgeous Silk-like Chiffon &; Stretch Satin Halter Neckline A-Line Prom Dresses Fabric: Silk-like Chiffon &; Stretch Satin Details: Have that alluring look in this dress. This vibrant ;prom dress features a ;halter neckline with beading. An array of paillette sequins decorate the entire bodice. that gives a brilliant texture. A-line could not be more gorgeous in these intricate details..