Beyonce kicks off the NFL football Super Bowl XLVII press conference at 

Beyonce kicks off the NFL football Super Bowl XLVII press conference at the New Orleans Convention Center by singing the National Anthem, Thursday, Jan. 31, 2013. in New Orleans. The singer says she did lip sync when she performed the national anthem on Inauguration Day. She said she's a "perfectionist" and wanted her performance for President Barack Obama to be a memorable one. She called the day "emotional." (AP Photo/J. David Ake)
Associated Press
Beyonce kicks off the NFL football Super Bowl XLVII press conference at the New Orleans Convention Center by singing the National Anthem, Thursday, Jan. 31, 2013. in New Orleans. The singer says she did lip sync when she performed the national anthem on Inauguration Day. She said she's a "perfectionist" and wanted her performance for President Barack Obama to be a memorable one. She called the day "emotional." (AP Photo/J. David Ake)
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