Lurking in bathroom cabinets, hiding in makeup bags and sprawled across bedroom carpets after a heavy night of updos: we've all got a stash of trusty bobby pins somewhere. And, aside from growing out bangs and holding down baby hairs (the struggle is real) the humble BP has really come into its own this month, both on and off the Fall '15 catwalk. WAH! Nails founder Sharmadean Reid, RiRi and designer Phoebe English show us how (and why) the bobby pin is trending RN.