It's the summer of the dance challenge! There's the "Shiggy," aka the "In My Feelings" challenge. That paved the way for the "Level Up Challenge," started by Ciara. And now, a K-pop star is at the center of the newest dance craze, called the "Base Line Challenge," which was made popular by BTS fans. InsideEdition.com's Leigh Scheps (http://twitter.com/LeighTVReporter) has more.
