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... as patriotic Katy in stars and stripes leads celebrations

WHEN Barack Obama won the US election -- Tinseltown glittered as celebrities across the US offered their congratulations.

So it should come as no surprise that they're out in force for the inauguration of his second term.

Singer Katy Perry adopted the Uncle Sam look as she performed in stars and stripes for the children inauguration concert at the Washington Convention Center for military families.

R'n'B star Usher also took to the stage.

And Desperate Housewives star Eva Longoria was on hand to greet US Vice President Joe Biden at the Latino Inaugural 2013: In Performance at Kennedy Centre in Washington.