BuzzFeed - People are making a huge deal about this challenge you can do at home. A viral trend called the belly button challenge is quickly taking the internet by storm. Via weibo.com The challenge involves people wrapping an arm around their waists, and seeing if they can touch their belly buttons. instagram.com Two big factors in completing the challenge involve having a tiny waist and really flexible arms. instagram.com Users then upload the photos to social media to document their completions and failures. instagram.com View Entire List âº
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