Justin Bieber posted a video on Instagram looking like he smoked marihuana

You would think Justin Bieber would be at home in front of the camera by now.
But the global pop phenomena seemed incoherent when recording his first Instagram short film - prompting speculation that he may have been smoking marihuana before filming the amateur shoot.Giggling uncontrollably, the 19-year-old posted his first video for the social media platform on Thursday.

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source:dailymail