Sizzling hot John Travolta, a humble Olivia Newton John and a magical collaboration: an oral history of Grease The Irish Times Olivia Newton John on auctioning 'Grease' leather outfit Yours Women's Plus Size Green Ditsy Floral Print Wrap Top Size 14 Polyester Elastane 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 Gini London Green Floral Print Maxi Dress New Look Apricot Mint Green Floral Print Wrap Midi Dress New Look