We asked the BuzzFeed Community which "fun" and "catchy" songs they realized actually have some pretty dark lyrics. Here are the ones you might wanna give another listen.
1. OutKast, "Hey Ya!"

2. Fun. feat. Janelle Monáe, "We Are Young"

3. Third Eye Blind, "Semi-Charmed Life"

4. Nick Gilder, "Hot Child in the City"

5. Imogen Heap, "Goodnight and Go"

6. Dexys Midnight Runners, "Come On Eileen"

7. Uncle Kracker, "Follow Me"

8. Robin Thicke feat. Pharrell and T.I., "Blurred Lines"

9. The Red Jumpsuit Apparatus, "Face Down"

10. Tracy Chapman, "Fast Car"

11. The Police, "Every Breath You Take"

12. Rupert Holmes, "Escape (The Piña Colada Song)"

13. Hanson, "MMMBop"

14. Britney Spears, "If You Seek Amy"

15. The Knack, "My Sharona"

16. Eminem feat. Rihanna, "Love the Way You Lie"

17. Sean Kingston, "Beautiful Girls"

18. Foster the People, "Pumped Up Kicks"

19. Sia, "Chandelier"

20. James Blunt, "Beautiful"

22. And Mike Posner, "I Took a Pill in Ibiza (Seeb Remix)"

Submissions have been edited for length and/or clarity.