Ahead of its time': how Olivia Newton John's final Grease outfit became a cultural phenomenon Olivia Newton John The Guardian Amazon.com: Fun Costumes Adult Grease Prom Sandy Halloween Costume, Ideal for Themed Parties, Grease Themed Costumes, X Small, White : Clothing, Shoes & Jewelry This sweet, white 50s style gown with matching capelet was first worn by Olivia Newton John as Sandy in the classic film in 1978. The dress and capelet both made their way 23 TV And Movie Prom Dresses, Ranked This sweet, white 50s style gown with matching capelet was first worn by Olivia Newton John as Sandy in the classic film in 1978. The dress and capelet both made their way Julianne Hough Vanessa Hudgens Grease Live Sandy and Rizzo from Grease Live First Look Teen Vogue