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Credit: Mashable
Who's Arnold without Gerald? Bert without Ernie? Optimus Prime without Bumblebee?
They're just one half of what could be a fantastic costume pairing.
A well executed BFF costume almost always outshines the best solo costume in the room. All you need is a favorite pop culture pairing and a friend to coordinate with. And if you need inspiration, here are some of our favorites from across the Internet.
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