Who sings the song Hot N Cold?!

Question: Who sings the song Hot N Cold!?
Answers:

Katy PerryWww@Enter-QA@Com

Katy Perry sings this song!. You can go to vh1!.com and watch the video if you want to!.Www@Enter-QA@Com

Katy Perry!.
http://www!.youtube!.com/watch!?v=X75mry1Lc!.!.!.Www@Enter-QA@Com

Katy Perry!?

I don't know

http://answers!.yahoo!.com/question/index;!.!.!.Www@Enter-QA@Com

katy

perryWww@Enter-QA@Com

Katy perry
her album is called one of the boysWww@Enter-QA@Com

kate perry!. and she also sings i kissed a girl!. Www@Enter-QA@Com

Katy perryWww@Enter-QA@Com

Katy PerryWww@Enter-QA@Com

Katy Perry Www@Enter-QA@Com

katy PerryWww@Enter-QA@Com

katy perryWww@Enter-QA@Com

KAte PErryWww@Enter-QA@Com

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