Buzz·Posted on 19 Jun 2014Every Year Of The '00s, Ranked From Worst To BestBased mostly on a tracking of Britney's mental health and a scientific round up of celebrity break ups.by Tabatha LeggettBuzzFeed Staff, UK LinkFacebookPinterestTwitterMail 10. 2005. Tap to play GIF Tap to play GIF 9. 2007. Tap to play GIF Tap to play GIF 8. 2002. Tap to play GIF Tap to play GIF 7. 2009. Tap to play GIF Tap to play GIF 6. 2008. Tap to play GIF Tap to play GIF 5. 2003. Tap to play GIF Tap to play GIF 4. 2000. Tap to play GIF Tap to play GIF 3. 2006. Tap to play GIF Tap to play GIF 2. 2001. Tap to play GIF Tap to play GIF 1. 2004. Tap to play GIF Tap to play GIF