The True Meaning of "What Makes You Beautiful"

"What Makes You Beautiful" by One Direction is about a girl who literally lights up the world, and she's really beautiful, but every time she looks in the mirror, she sees an ugly monster because the mirror is haunted.

The True Meaning of "Hey Soul Sister"

"Hey Soul Sister" is about a stalker ("I don't want to miss a single thing you do tonight").

The True Meaning of "Firework"

"Firework" by Katy Perry is about Katy Perry giving birth to a firework. The firework thinks he's a plastic bag ("do you ever feel like a plastic bag?"), so she's yelling at him saying "baby, you're a firework."