The Best Songs of Katy Perry (+Videos)

(Women Worldwide Blog).- The Katy Perry  best songs.

5. Katy Perry - Firework

4. Katy Perry - Las Friday Night

3. Katy Perry ft. Kimbra - Somebody That I Used To Know

2. Katy Perry ft. Juicy J - Dark Horse

1. Katy Perry - Roar

What is your favorite Katy Perry song?