Who wrote the lyrics to Kellie Pickler's "I Wonder"?

Answer 1

Kellie did.

Pickler described the song as being about the "relationship that she doesn't have with her mother", because she was abandoned when she was little and raised by her grandfather. Kellie always gets emotional whenever she performs or talks about the song"

Answer 2

I believe she did. It has to do with her relationship with her mother.