Conversation so far:
Who are Taylor Swift's influences?
One of Swift's earliest musical memories is listening to her maternal grandmother, Marjorie Finlay, sing in church.
Did she have any other influences of note?
Swift has said she owes her confidence to her mother, who helped her prepare for class presentations as a child.
Did her mother do anything else for her?
She also attributes her "fascination with writing and storytelling" to her mother.
Did her father influence her in any way?
CANNOTANSWER.
Did anyone famous influence her?
"the great female country artists of the '90s"--Shania Twain, Faith Hill and the Dixie Chicks.
Twain, both as a songwriter and performer, was her biggest musical influence.

Question: Who was her biggest famous influencer?
Self-contained rewrite: Who was Taylor Swift's biggest famous influencer?