Petulia
Starring Julie Christie, George C. Scott, Richard Chamberlain, Arthur Hill, Shirley Knight, Pippa Scott, Kathleen Widdoes, Richard Dysart, Ruth Kobart, Roger Bowen
It's a drama and romance movie, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.