This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!Buzz·Posted on Jun 1, 2015The Definitive Ranking Of Katy Perry SinglesThere are some Dark Horses in the running.by Ben HenryCommunity ContributorLinkFacebookPinterestTwitterMail 18. "Thinking of You" Tap to play GIF Tap to play GIF 17. "Birthday" Tap to play GIF Tap to play GIF 16. "This Is How We Do" Tap to play GIF Tap to play GIF 15. "Unconditionally" Tap to play GIF Tap to play GIF 14. "Waking Up in Vegas" Tap to play GIF Tap to play GIF 13. "If We Ever Meet Again" Tap to play GIF Tap to play GIF 12. "The One That Got Away" Tap to play GIF Tap to play GIF 11. "Part of Me" Tap to play GIF Tap to play GIF 10. "Last Friday Night (T.G.I.F.)" Tap to play GIF Tap to play GIF 9. "Wide Awake" Tap to play GIF Tap to play GIF 8. "E.T." Tap to play GIF Tap to play GIF 7. "Dark Horse" Tap to play GIF Tap to play GIF 6. "Teenage Dream" Tap to play GIF Tap to play GIF 5. "I Kissed a Girl" Tap to play GIF Tap to play GIF 4. "Hot n Cold" Tap to play GIF Tap to play GIF 3. "California Gurls" Tap to play GIF Tap to play GIF 2. "Firework" Tap to play GIF Tap to play GIF 1. "Roar" Tap to play GIF Tap to play GIF Do you agree? Do you not? Should there have been a different winner? Sound off below and let us know!