Which Best Picture winner is the only one to receive an X rating?

After the X rating became synonymous with the kind of movies you think of when you hear "X-rated," the film, about a wide-eyed hustler who moves to New York City, was given an R rating in 1971 — without anything actually being changed or removed.

Asked by Beth Sederstrom · Last updated 5 years ago · 15.8K views · SOURCE