Who, in your opinion is the best singer of the following, Rihanna, Katy Perry, o!

Question: Who, in your opinion is the best singer of the following, Rihanna, Katy Perry, or KT Tunstall!?
Answers:

katy perry!.!.!. though i may not like her songs, i like her voice!.Www@Enter-QA@Com

KT TunstallWww@Enter-QA@Com

i like katy perry =]Www@Enter-QA@Com

KATY PERRY!! LOL SHES HOT!! and she has a great voice not like fake rihanna!.!.!.!.=/Www@Enter-QA@Com

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