“Grease,” with Olivia Newton John ... (Newton-John still has the black skintight outfit that turned Sandy into a good girl gone bad in a great way. She will be auctioning it off to benefit ...

“So excited!!” Later in the evening, Newton-John ditched the “good girl” outfit for a leather jacket and black leggings like the one she wore during the Grease finale. She also joined ...

But she picked up the tempo in “Grease,” especially after Sandy ditched her white sweaters and blouses for waist-high, black leather pants. “Physical” even made Newton-John blush as she ...