Olivia Newton-John
Critics’ complaints that Xanadu was bland, uninspired, and outright confusing are valid concerns, however, there is no denying how much heart this film has.
Grease has been hugely popular ever since it came out in 1978 – yep, it’s already that old. It’s rated 7.2 on IMDb and 70 by MetaCritic, and if you look on the IMDb message boards for Grease, for instance, you can see it’s still being discussed actively.