War and Peace, Part II: Natasha Rostova
Война и Мир 2: Наташа Ростова (original)
Natasha Rostova, a young Russian aristocrat, meets prince Andrey Bolkonskiy at a ball and immediately falls in love with him.
Starring Ludmila Savelyeva, Sergey Bondarchuk, Vyacheslav Tikhonov, Viktor Stanitsyn, Kira Golovko, Oleg Tabakov, Sergei Yermilov, Irina Gubanova, Anatoli Ktorov, Antonina Shuranova
Watch "War and Peace, Part II: Natasha Rostova" on HBO Max released in 1966. It's a drama and history movie, and has a rating of 8 out of 10 from Imdb which is usually fine for this kind of movie.