Biebs fainted back­stage dur­ing his 3rd of 4 con­certs at London’s mas­sive O2 Arena. Watch the video of his man­ager Scooter Braun tell the audi­ence Justin will ignore doctor’s advice and come back out to fin­ish the show after a lit­tle oxy­gen. Right after­wards, they took him to the hos­pi­tal where he treated the ladies to this gown­less Insta­gram from bedrest.