Justin Bieber has opened up on why he recently made a video to explain his past behaviour.

The singer issued a clip in late January after appearing on the Ellen DeGeneres Show to own up to previous misbehaviour.

The 20-year-old said that he was nervous to return to TV and was afraid about what people thought of him.

Bieber has appeared again on the Ellen Show this week to explain why he made the frank video.

The singer said: "It was the first time I was on television for a long time and I just was worried about what people were thinking about me. Like I said last time, I did a lot of things over the past few years that I'm not proud of.

"People often forget that, even with their comments and stuff they think it doesn't get to me. But it gets to me. You know things that people say bothers me and I gotta be strong enough to just keep it pushing.

"Yeah, that's why I just wanted to make a video to just let people know that I'm human, I love people, I love love, I'm passionate about things and I'm passionate about being better and growing so I think that this is going to be an awesome chapter in my life and I'm so glad that I have you guys supporting me."

Bieber spent much of last year out of the spotlight after being arrested for DUI at the start of 2014.

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Watch Justin Bieber's new Ellen interview below: