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Katy Perry has been a fixture on the campaign trail, performing at President Barack Obama’s rallies … while wearing custom-made, skin-tight, form-fitting dresses.

Last night, she wore a blue one emblazoned with Obama’s "Forward" campaign slogan; last week, Perry’s white number became the hottest "ballot" of all time.

Which dress – by Abigail Greydanus, an L.A.-based designer – do you like better? Vote!