Growing apart
This happens to the average couple but it’s even more common in Hollywood. Miley Cyrus & ex-Liam Hemsworth were in love and engaged to be married. Then Miley’s career got an upgrade and with her wild antics during her performances, the couple inevitably grew apart.
Having their mom tell you.
This probably isn’t a common practice but it happens. When you get a phone call from your lover’s mother stating that you won’t be together anymore, then you’re most likely better off.