Every romantic relationship has two paths: Either you will be together forever, or you will be separated. The latter is very likely to happen, so for each case you need to back up a list of movies. You will see the separation with a different eye. Of course the former!
1. Someone Great
2. He's Just Not That Into You
3.Like Crazy
4. Mamma Mia!
5. Marriage Story
6. The Last Five Years
7.Celeste & Jesse Forever
8. Runaëay Bride
9. The First Wives Club
10. 500 Days of Summer
11. The Break-Up
12. Eat, Pray, Love
13. Eternal Sunshine of the Spotless Mind
14. Crazy, Stupid, Love
15. Under the Tuscan Sun.
16. The Holiday
Source: Cosmopolitan