WATCH: Carrie Underwood Joins a Bar Band for Tom Petty Cover
The "Ghost Story" singer was out with friends when she answered the call to take the stage.
Carrie Underwood
Carrie Underwood Returns to 'Sunday Night Football' for 10th Year
Carrie Underwood will kick off 'Sunday Night Football' yet again this year.
PICS: Carrie Underwood Takes a Trip to Dollywood
The country superstar was spotted having fun at the theme park.