Lurking in bathroom cabinets, hiding in make-up bags and sprawled across bedroom carpets after a heavy night of updos: we’ve all got a stash of trusty kirby grips somewhere. And, aside from growing out fringes and holding down baby hairs (the struggle is real) the humble kirby grip has really come into its own this month, both on and off the AW15 catwalk. WAH! Nails founder Sharmadean Reid, RiRi and designer Phoebe English show us how (and why) the bobby pin is trending, RN.