Justin Bieber is sharing some unfiltered thoughts on his rise to fame. In a candid post to his Instagram story Thursday, the pop star told followers that he has long struggled with feeling worthy of the accolades he's collected along the way.

Pop superstar Justin Bieber continues his streak of cryptic messages after his recent controversial outings caused fans to express concern about his behavior. In a new post on social media, the singer took a defiant stance against his critics as he noted he has "nothing to prove" to anyone.