Pop songs.
yes Katy Perry does sing firework
no
Carly Rae! Katy perry is autotuned
Sing
no
Katy Perry
Sing
I don't think she did. Katy Perry sings and records her songs but I've never, ever seen Katy Perry sing on commercials, sorry. If she did, the commercial would be old by now.
NO
Russell Brand
katy perry
No, Katy Perry did.