Justin Bieber was shown walking between barricades signing autographs and greeting screaming teens as he made his way to the TV studio, where he talked about his burgeoning music career.

And the singer is grateful for his fans' dedication after learning they queued for hours on the day after Thanksgiving to secure prime spots outside the glass studio, where they could see the singer chatting with a talk show host, who admitted he'd caused "quite a scene".

Justin Bieber replied with a humble "Thank you".