The music world -- and the world at large -- has been mourning Thursday afternoon's unexpected death of Michael Jackson. Via Twitter, Facebook, MySpace, and more, some of music's biggest stars are honoring the King of Pop. Here's what they had to say:

Former Culture Club frontman Boy George was sentenced to 15 months in prison this morning in a London courtroom after being convicted of falsely imprisoning and beating a male escort in his London apartment, the Associated Press reports.