Lee Pace Fan! costumeloverz71: Sandy Olsson (Olivia Newton John) 1950s style prom dress for Grease play This sweet yellow party dress was first seen in the 1978 , where actress Didi Conn wore it as Frenchie. After that, the dress very likely went into rental stock, where it Grease Summer Nights Sandy Party Time, Inc. Grease Sandy Dress Etsy Yellow 50s Dress Vintage Susan Small Grease Dress Mad Men Dirndl Yellow Rockabilly Dress Lindy Hop Dress Etsy