Justin Bieber has apologized for his bad behavior in a new video posted to Facebook.
The singer says in a 2-minute video posted early Thursday that his "arrogant and conceited" attitude over the last two years was just to cover up his true feelings. He said growing up in the industry is tough.
Bieber visited "The Ellen DeGeneres Show" on Wednesday and said he was "nervous" about the appearance. He said he didn't know how people would react to him.
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The 20-year-old was heavily booed at the Fashion Rocks event last year, and his recent Calvin Klein ad was ridiculed. His tumultuous behavior has ranged from a DUI arrest to egg-tossing vandalism to clashing with a paparazzo.
Bieber also said he wants people to know he has a caring side.