If you are voting for Barack Obama then Katy Perry makes perfect fashion sense.
Wearing a white latex frock made to look like a ballot with Obama/Biden marked off, Katy performed at a rally for the President in Nevada on Wednesday night.
Katy -- who turns 28 today -- has voiced her support for Obama in the past.
Looks like Bill Clinton isn't the only prez that can leave his mark on a dress.
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