Super Bowl XLV is officially underway! Just moments ago, Christina Aguilera graced our television sets with her run-heavy rendition of the national anthem. One problem: she sang the wrong lyrics! In front of hundreds of millions of people. Uh, yikes?

For those who need help identifying the flub: at about the 50-second mark, Aguilera was supposed to sing, "O'er the ramparts we watched, were so gallantly streaming," but instead sang, "What so proudly we watched, at the twilight's last [unintelligible]."

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[Super Bowl XLV]