Hayden Christensen had the honor of leading Chicago Cubs fans in a rendition of "Take Me Out to the Ball Game" during the 7th inning stretch of the team's match against the Pittsburgh Pirates on ...

The father-daughter duo got a surprise of their own as the helped lead Chicago Cubs fans in the traditional 7th inning ...

The Cubs welcomed Hayden Christensen to Wrigley Field, where the Imperial March set the stage for his appearance and ...

Rehearsals for the Chicago Air and Water Show interrupted Hayden Christensen's rendition of "Take Me Out to the Ball Game" ...