Examples: Love the way you lie - Rihanna Shape of you - Ed Sheeran Stitches - Shawn Mendes Secret love song - Little Mix You don't know you're beautiful - 1D ...etc. The list is endless. Why is the theme so popular? 1. People can relate to it 2. There are so many different aspects of it: Break ups, On and Off relationships, Turbulent relationships, Cheating...etc.