This is what there read on the swedish msn page: (i really wish that Justins Career will keep going aswell as it has gone) :)

Justin Bieber has become superstar in record time and now he is starting to seriously feel the pressure as it means to be a world-renowned artist.

On 29 August he was so exhausted that he collapsed and had to cancel a show in New York that he would have had the same evening.

- Justin could not continue, he collapsed in bed, a source tells the National Enquirer.

- I think he was physically and mentally worn out. He collapsed. He became dizzy and cocks off. The guy is suffering from severe fatigue, "continues the source.

One week after the original concert date was Justin sane enough to give the show the audience who had paid for, but the source claims that the girl's favorite, needs a long break to recover.

- Justin tries to show himself brave in front of the cameras, but he is still weak and the doctors insist that he should rest more. If he does not listen so that he could break down, "said the source.

The young artist, however, feel a responsibility for everyone around him and do not want to disappoint anyone.

- He does not want to disappoint her mother, nor his manager or the fans.

Justin Bieber was far from his usual ebullient on my way to an X-Box-event in Los Angeles on Thursday evening - see all the pictures in the gallery above!