I`m a poetic genius: Justin Bieber

Los Angeles: Teen pop sensation Justin Bieber claims he is a poetic genius.

The 19-year-old singer posted a shirtless picture of himself backstage and a video of himself lip-synching to Drake after his San Diego concert on Sunday, reported Radar online. "Blue is new and you are too a few shoes have shown me clues my crew also knew that zoos have news. I`m a poetic genius," he wrote on his photo-sharing site Instagram. Friends close to Bieber are increasingly worried that he has a substance abuse problem. His manager, Scooter Braun, reportedly wants him to go to a rehab. PTI