1. Tina Fey and Amy Poehler vs. Taylor Swift
2. Demi Lovato vs. Selena Gomez
After being the most epic Disney best friend pair, Demi threw some major shade. Demi and Selena have since made up.
3. Justin Timberlake vs. Kanye West
4. Rachel Bilson vs. Mischa Barton
5. Ray J. vs. Kim Kardashian
6. Selena Gomez vs. Justin Bieber
The Justin Bieber and Selena Gomez saga continues on, but never forgot the shade Selena threw at the Biebs on David Letterman.
7. Kim Kardashian vs. Paris Hilton
On a stalking mission during Keeping Up With The Kardashians, Kim and Kris took the time to compare sex tapes.
8. Taylor Swift vs. Harry Styles
9. Drake Bell vs. Justin Bieber
10. Kelly Osbourne vs. Christina Aguilera
11. Mariah Carey vs. Nicki Minaj
12. Louis Tomlinson vs. Tom Parker
13. Lindsay Lohan vs. Paris Hilton
14. Miranda Lambert vs. Chris Brown
15. Danielle Fishel vs. Justin Bieber
16. Kanye West vs. Taylor Swift
I'mma let you finish, but this is the best burn of all time. Even Taylor Swift has a framed picture of the event in her house.