Justin Bieber admits he has been "arrogant and conceited".
The Boyfriend singer has made an apology video to fans in which he admitted he has been "pretending" to be someone else and is struggling with "growing up in this business" following a "nervous" taping of The Ellen DeGeneres Show.
In the clip, posted on Facebook, the softly-spoken star said: "I was really nervous, and I think I was nervous because I was afraid of what people are thinking about me right now.