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Justin Bieber Apologizes At Comedy Central Roast

On Saturday a slew of celebrities from Kevin Hart to Martha Stewart gave the Biebs a verbal beat down during the taping of the Comedy Central Roast of Justin Bieber.  At the end of the evening, Bieber apologized for his spree of jerky behavior over the past few years.

"I've turned a lot of people off in the last few years," Bieber said, "But I know I can still put out good music and turn everything all around."  Via USA Today, here's more of Bieber's apology:

"I didn't know what I was getting myself into. There were moments I am proud of. And there are moments I am disappointed with myself for. But the things I have done don't define who I am. I am kind-hearted person who loves people. And through it all, I have lost some of my best qualities. For that, I'm sorry."

Bieber, who just turned 21, sounds like he's finally ready to grow up.  "I am looking forward to being someone you can all be proud of," he said.

Comedy Central's roast of Justin Bieber will air on March 30. Can't wait until then? Check out some of the best jokes from the roast here.