Matt Thiessen from Relient K
Yes, Katy Perry was one of the cowriters for the song 'ET'.
You can write to Katy Perry, I'm sure she has an address on a fan site/official site. :)
Katy perry wrote her songs at school because she was a Gospel singer at church and Katy perry wanted to become a real singer so Katy perry first wrote her songs at school.
no way its nice a good i love katy perry
No she is single
yes, she did.
her husband
no
No she does not.
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Katy Perry sometimes make her own songs, She also has some people who writes songs for her. But, she can write her own song too if she wants
Katy Perry, Dr. Luke, Max Martin and Ammo are the ones whop write or compose the song