'Selena Gomez Break Up Probably Dented Justin Bieber's Ego': Is Break Up Reason For Bad Boy Behaviour?

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Justin Bieber hasn't exactly been behaving himself since he arrived in the UK. From taking two girls back to his hotel after a night out, to arguing with a club when they refused him entry on his 19th birthday, to disappointing fans after he arrived two hours late on stage it seems the sweet young pop star who stole the hearts of millions of girls around the world, has well and truly been replaced by 'bad boy Bieber'.

The 19 year-old began the year with a drug scandal after photos of him smoking, what appeared to be a blunt, surfaced online and things have only got progressively worse. He has also been accused of cheating on ex-girlfriend Selena Gomez, who he reportedly split from in late December.

But why all the bad boy behaviour? Body language expert Judi James claims it could be his way to shake the innocent child star tag as he desperately tries to prove he's all man.

I would say what undermines all of this is the ex-child star alert thing, she told EntertainmentWise while commenting on his recent bad behaviour.

I think the younger you are when you start to become famous the more rebellious you're going to be later on. We've seen it with Britney, we've seen it with a lot of other celebrities way back.

'Selena Gomez Break Up Probably Dented Justin Bieber's Ego': Is Break Up Reason For Bad Boy Behaviour?'Selena Gomez Break Up Probably Dented Justin Bieber's! Ego': Is Break Up Reason For Bad Boy Behaviour?

Justin on night out in London (Splash News)

Referring to his late night clubbing, often staying out until 6am, she explained: I think psychologically it's got more to do with the fact that he was a house flower, this very sweet, very pretty child almost.

Now he wants to look like an adult and I think he's done that in the space of about a fortnight and it's maybe slightly exaggerated and maybe not working as well.

While Judi claimed the new spate of incidents probably isn't as a reaction to his break up with Gomez, the split would have no doubt dented his ego.

I think it's less the fact that he split with Selena although that might have dented his ego to an extent, she revealed. Perhaps she'd be quite pleased that she's missing [his antics].

In a recent interview, Justin did indeed imply he'd been unhappy with the view of the couple's break up and insisted he wasn't trying to get her back.

"There's so many rumors. People say I call Selena every day and she won't pick up the phone or I'm chasing her down, and these are all fake stories, he told Rolling Stone magazine in January.

"I don't go on blogs or anything like that. I hear things. People tell me if something happens on the Internet. It gets back to me, definitely."

When asked if he's heartbroken, Biebs said he isn't the happiest he's ever been.

Justin Parties in London on his 19th birthday

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