Hidden Message: I'll Never Tell
The song Superstar could be about anyone from a popular guy to a country superstar (Swift opened for more than several big names before her first solo tour to promote Fearless.) Swift has remained tight lipped about the subject on this one. The song was included as a bonus track on Swift's sophomore album but may have been written as early as 2005.
And I'm invisible and everyone knows who you are/
And you'll never see, you sing me to sleep/
Every night from the radio