XNY/Star Max/GC Images Justin Bieber seemingly poked fun at the rumors about his drug use with a social media video of him smoking. On Thursday, February 27, Bieber, 30, uploaded a video to his Instagram Story that showed him smoking what appeared to be a joint.

Justin Bieber has posted a video of himself rapping about flying "high" just days after his representative slammed rumors about him using drugs. On Tuesday, Feb. 25, the “Love Yourself” singer, 30, shared a new Instagram video of himself rapping some lyrics,

Justin Bieber appears to be 'trolling' critics and well-meaning fans after he was forced to respond to 'drug use' rumours. The 'Baby' singer's behaviour has been worrying fans over the past few weeks, after images of him appearing bleary-eyed and dishevelled began to appear online.