10. Super Bowl XLV - Star-Bungled Banner
Was she a jinx? Pittsburgh fans may get that feeling after witnessing the unthinkable — the talented Christina Aguilera actually botching a line from the national anthem before the game. This is a singer who has been performing "The Star-Spangled Banner" in public since age 7. And even better, she has done the song proud several times in her youth at Pittsburgh Penguins, Pirates and (you guessed it) Steelers games. This night, her flub foreshadowed a sloppy Steelers loss. (AP Photo/Charlie Krupa)
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