You asked:

what songs did katy perry write

  • The songs that Katy Perry is an author of include Hot N Cold, Roar, I Kissed a Girl, Firework and Last Friday Night (T.G.I.F.).
  • Hot N Cold
    Hot N Cold
    Hot N Cold

  • I Kissed a Girl
    I Kissed a Girl
    I Kissed a Girl

  • Firework
    Firework
    Firework

  • California Gurls
    California Gurls
    California Gurls

  • Hot n Cold
    Hot n Cold
    Hot n Cold

  • Part of Me
    Part of Me
    Part of Me

  • Teenage Dream
    Teenage Dream
    Teenage Dream

  • E.T.
    E.T.
    E.T.

  • UR So Gay
    UR So Gay
    UR So Gay

  • Ur So Gay
    Ur So Gay
    Ur So Gay