It appears that during the later years of his life Michael Jackson may have worn a prosthetic nose.

Michael Jackson wore a prosthetic nose, according a report — and it was missing from his surgically mangled face as he lay in an LA morgue.
Left behind was a small, dark hole surrounded by bits of cartilage, Rolling Stone magazine said, citing witnesses who saw the King of Pop’s body on the autopsy table.
Jackson, who was notoriously shy about his appearance, wore the prosthetic to mask the effects of decades of plastic surgery, according to the magazine.

Most people acknowledge at this point that Michael Jackson despite his musical brilliance was deeply troubled.  This fact is evident in almost every aspect of his life outside of music.  For most plastic surgeons, Michael Jackson’s pathologic obsession with plastic surgery was very evident.  What is sad is the lack of restraint that his plastic surgeons posessed when presented with his desires.  Most people recognized that at the very least, Michael Jackson had multiple nose jobs, a cheek implant, a chin implant, bleaching of his skin, and wore wigs.  There was not much else to change.  And what was most sad, was that none of these procedures enhanced his appearance.  In the end, Michael Jackson lay on an autopsy table with an empty space where he typically wore a prosthetic nose.