Part Of Me  Suggested by Gabilo7 

There's a thing called "Forum Search" where you find things like this:

http://www.dafont.com/forum/read/41488/katy-perry-s-part-of-me
http://www.dafont.com/forum/read/39411/katy-perry-part-of-me-font
http://www.dafont.com/forum/read/39378/katy-perry-part-of-me-what-font-is-this
http://www.dafont.com/forum/read/39235/katy-perry-part-of-me
http://www.dafont.com/forum/read/40004/katy-perry-part-of-me-song-font-please
http://www.dafont.com/forum/read/39621/katy-perry-part-of-me-help