Article continues below advertisementJustin Bieber just turned an ordinary ride into a headline-making moment.The 31-year-old pop star stripped down to nothing but white Calvin Klein briefs while cruising on a Segway along a gravel path surrounded by trees and greenery.Article continues below advertisementSource: @lilbieber/InstagramJustin Bieber shocked fans by riding a Segway in just his underwear.Article continues below advertisementIn one snap, Bieber confidently faced the camera, showing off his tattoos and toned body while balancing on the scooter.