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Katharine McPhee, Anne Hathaway

Albert Michael/startraksphoto.com; Steve Granitz/WireImage

If you're gonna duplicate, this is the dress to do it with!

Anne Hathaway first modeled this feathered Marchesa frock back in February 2010 for the Valentine's Day premiere, pairing it with black pumps and upswept hair.

Katharine McPhee went for a slightly edgier look when she revisited the bright-blue cocktail dress while performing on The Early Show in December, rocking her version with gold cuffs, strappy sandals and tousled hair.

So whose styling suits this feathered dress best? Vote below and then get the final results Friday at 10:30 p.m. on E!'s Fashion Police show!