Whether you're supermodel-tall and shy away from wearing heels that add extra inches or just love being comfy, you can make flats work for formal events. At 6'1", Karlie Kloss is a statuesque beauty who wears her fair share of gorgeous stilettos and heels, but she also likes to throw stylish flats into the red-carpet mix. See how she does it: At this summer's Serpentine Gallery party in London she skipped sleek pumps in favor of funky black sandals that wouldn't look off if paired with…
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