The moment we saw the gold Marc Jacobs dress Miley Cyrus wore on The X Factor (US), we had a feeling we'd seen that same piece before on the red carpet. Just a few months ago, Nicole Richie wore the slinky gown to the CFDA Fashion Awards. But while Nicole styled the dress with a pair of similarly gold pumps and a white clutch, Miley opted for a black turban. It's time for a fashion face-off — who wore the shimmering dress best?
— Additional reporting by Rachel Sumner