Beyonce sings the national anthem at a Super Bowl press conference, on January 31, 2013, in New Orleans. Beyonce vowed to sing live at her Super Bowl half-time show, confirming she sang along to a ... more 

Beyonce sings the national anthem at a Super Bowl press conference, on January 31, 2013, in New Orleans. Beyonce vowed to sing live at her Super Bowl half-time show, confirming she sang along to a pre-recorded recording of the US national anthem at President Barack Obama's inauguration less