Olivia Newton John auctions iconic Grease costumes 9Style Yellow 50s Dress Vintage Susan Small Grease Dress Mad Men Dirndl Yellow Rockabilly Dress Lindy Hop Dress Etsy Grease' lights up Ephrata High stage Columbia Basin Herald Sandy Grease Costume Yellow Dress TikTok 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 1950s style prom dress for Grease play