Hayden Panettiere is more than a pretty face.
She paid a visit to the Walter Reed Army Medical Center while she was in Washington DC for July 4th. There, she sang the national anthem at PBS' A Capitol Fourth TV special.
The Heroes hottie also had the privilege of meeting with the brave men and women who have been injured while fighting overseas at Walter Reed, which serves more than 150,000 active and retired personnel from all branches of the military.
Here's a picture of the giving actress and a service member:
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