yes Katy Perry does sing firework
no
No, it was was Gotye.
Katy perry grew up in a very Christan family and sang alot in church. she did not actsactly learn to sing, she just was blessed with a good voice.
No Jessie J sings it
yes Katy Perry does sing firework
no
Carly Rae! Katy perry is autotuned
Sing
no
Sing
Katy Perry
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.
people can sing both high and low notes like Katy perry or Justin bieber for examples
never
No
katy perry