4-year-old battling leukemia belts out an awesome God Bless America...

Singing God Bless America at the MLB ballpark is a patriotic custom that most spectators now expect. But the rendition at Fenway Park on Tuesday was extra special, as four year old Darla Holloway who is battling cancer belted out an awesome cover of GBA that got the crowd cheering on their feet.

http://www.youtube.com/watch?feature=player_embedded&v=6qUw3Pe3Zz8