Charlie Sheen Booed At Tour Opener
According to multiple people inside the Fox Theater ... people were heckling not only Charlie, but his buddy Simon Rex who came out and started rapping.
We're told Charlie started the show with a Q&A session -- answering audience questions about everything from fave porn stars to crack cocaine. Then Charlie played clips from a network interview he did and ripped it apart.
That went on for about 30 minutes ... and then the crowd got ugly. more on this story