IMAGE DISTRIBUTED FOR PARKWOOD ENTERTAINMENT - Singer Beyonce performs on her "Mrs. Carter Show World Tour 2013", on Saturday, July 13, 2013 at the Bridgestone Arena in Nashville, Tenn.(Photo by Robin... more 
IMAGE DISTRIBUTED FOR PARKWOOD ENTERTAINMENT - Singer Beyonce performs on her "Mrs. Carter Show World Tour 2013", on Saturday, July 13, 2013 at the Bridgestone Arena in Nashville, Tenn.(Photo by Robin Harper/Invision for Parkwood Entertainment/AP Images) less 
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Associated Press
Sun, Jul 14, 2013 2:19 AM EDT