Dresses New Boho Floral Wrap Top Ruffle Trim Long Dress Red Cream Green Yellow Poshmark Dress Wrap Dress Maxi Dress Lulus Olivia Newton John hadn't wanted to play high schooler Sandy, telling producers: "I'm not American, I can't do an American accent. I'm 29, how can be 18?" Read what changed her mind in See Olivia Newton John's Best Outfits as Sandy in "Grease" PS Fashion Like New. Worn Once Sage Green Floral Wrap Dress. Size S Color: Green Size: S Rach_Leff's Closet Ahead of its time': how Olivia Newton John's final Grease outfit became a cultural phenomenon Olivia Newton John The Guardian