Justin Bieber has sparked concern among fans after a string of controversial behaviours over the years - as the star proves he has an alarming rebellious side to him

Justin Bieber has opened up about experiencing self-doubt and imposter syndrome, admitting he often feels unworthy of his success.

The music superstar shared his feelings with his fans in a message on Instagram.

Pop singer made the frank admission in an Instagram post, a month after representatives hit out at ‘pitiful’ online rumours

Justin continued, "I'm not good at it. But u dont need to follow rules to enter into a life of love. U just receive so enter love living! God always grants us love! Its one of his