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Katy Perry and John Mayer are seen at the inauguration for U.S. 

Katy Perry and John Mayer are seen at the inauguration for U.S. President Barack Obama's second term of office in Washington D.C. on January 21, 2013
 -- Getty Premium
Access Hollywood
Katy Perry and John Mayer are seen at the inauguration for U.S. President Barack Obama's second term of office in Washington D.C. on January 21, 2013 -- Getty Premium
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