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FILE - In this May 16, 2012, file photo, Lady Gaga arrives at the Sungshan airport in Taipei, Taiwan. Lady Gaga has been struck on the head by a pole while performing during the third of three shows in Auckland, Sunday, June 10, 2012. (AP Photo/Wally Santana, File)

2012 World's most powerful women

The most powerful women in the world right now.