This or That *celebrity edition*?

[PokéRayne]

Katy Perry or Lily Allen
Madonna or Mariah Carey
P!nk or Kelly Clarkson
Britney Spears or Christina Aguilera
Avril Lavinge or Ashlee Simpson
Carrie Underwood or Jessica Simpson
Usher or Justin Timberlake
Lady GaGa or Rihanna
Chris Brown or Ne-Yo
Leona Lewis or Beyonce
Fifty cent or Kanye West
TI or Lil Wayne