Lady Gaga

Associated Press
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)

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Singer Lady Gaga, real name Stefani Germanotta, is busy promoting her upcoming fourth studio album "ARTPOP" and stirring up some trouble.  A political ally of Russian President Vladimir Putin is taking legal action against American pop star Lady Gaga for promoting gay rights to minors during a concert on Dec. 9.

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