By Olivia B. Waxman
January 29, 2015

Canadian pop star Justin Bieber apologized for his erratic, immature behavior in a Facebook video Wednesday.

The singer, who recently posed in his underwear for a widely-mocked ad for Calvin Klein, said he was nervous about what people think of him during a recent taping of an episode of The Ellen DeGeneres Show.

“I didn’t want to come off arrogant or conceited, basically how I’ve been acting the past year, year and a half,” he said. “I’m not who I was pretending to be.”

Examples of the behavior he is talking about: making disrespectful comments at a Tokyo shrine and the Anne Frank museum, fighting with paparazzi and getting arrested for a DUI while driving a yellow Lamborghini. Oh, and that time he abandoned a pet monkey at a German airport.

Read Next: Cursing Bill Clinton and 11 More Best Moments of “Bad” Justin Bieber

 

Write to Olivia B. Waxman at olivia.waxman@time.com.

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