Your Danny, your John!" Here are photos that show how their friendship evolved. Travolta convinced Newton-John to accept the lead role in "Grease." Newton-John almost didn't take on the part of ...

Well, not the Greased Lighting, it's actually the black, flamed 1949 Mercury convertible that races against John Travolta in the classic 1978 movie Grease, and it's for auction on eBay Motors.

wrote Newton-John. The pair were attending a meet and greet with fans at a movie sing-along event celebrating the film in Florida. Travolta later shared a video from backstage, saying ...