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We're still in shock that DJ AM was found dead yesterday afternoon in his NYC apartment, but we can't even begin to imagine the grief his close friends are dealing with at this time. DJ AM's former fiancee, Nicole Richie hasn't released a statement (or posted a tweet) about the tragic news, but we've heard rumors that she went into labor yesterday after learning that her ex passed away. Poor Nicole is trying to prepare for one of the most amazing days of life while mourning the loss of a loved one, and it's understandable that she would be too devastated to speak out about it at this time.

We looked back over our photos of DJ AM with Nicole and other friends like Nicky Hilton, and we just can't believe that a man with such a positive outlook on life would meet his end this way. He always seemed so upbeat and genuinely happy, and aside from that cryptic tweet that he posted four days ago, nothing seemed to stick out as a warning sign.

Following DJ AM's autopsy this afternoon, New York City Medical Examiner spokesperson Ellen Borakove told issued the following statement:

    "The cause of death was inconclusive because we need to do additional testing. The testing would include toxicology and tissue testing. We don't expect any results for several weeks. It's under investigation and when the investigation is complete we will have a cause of death and a manner of death."