Selena Gomez turned up for her appearance on Late Show with David Letterman in a crop top with her hair in a super-high fishtail plait, held together with a black scrunchie. Though her red lipstick and teardrop hoops, were a winning combination, it was her hair accessory that sparked some intense debates across ASOS HQ. So, to scrunchie or not to scrunchie? Truly, this is a dilemma for the ages.