Who knows whether this thing will ever happen. Olivia seems pretty sure, but Travolta not so. Livvy talked "Grease 3" again today while being interviewed by The Daily Telegraph, saying They’re working on it..They’re getting a writer. So we’ll see what happens from here. But it seems to be pretty serious. They want to do it." And is her Danny Zuko – John Travolta – keen on the idea? "He’s up for it if it’s the right thing."