They're a pair of 6-year-old girls, so close, they swear to be twins. Their story of sisterhood and love has racked up millions of views around the world and this week, they even vacationed together to Fairhope.

Jia Sarnicola and Zuri Copeland don't believe they're twins because of their appearance, but because of their soul. They've been best friends since preschool, their birthdays are just a couple days apart, and they insist on matching outfits.

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