Before she could become the legendary Russian ruler, a timid German princess (Elizabeth Bergner) had to learn to handle her groom Grand Duke Peter (Douglas Fairbanks, Jr.), an immature, hot-tempered womanizer. 1934. Part 1 of 3.
Original from Internet Archive
Info from IMDB
Article @ Turner Classic Movies (spoilers)
Douglas Fairbanks Jr. @ Wikipedia
MFTB129 – The Private Life of Don Juan, part 1
MFTB67 – The Young In Heart, part 1