(AP Photo/Mark J. Terrill, file) This Feb. 12, 2011 file photo shows R. Kelly performing at the pre-Grammy gala & salute to industry icons with Clive Davis honoring David Geffen in Beverly Hills, Calif. Kelly, one of the top-selling recording artists of all time, has been hounded for years by allegations of sexual misconduct involving women and underage girls _ accusations he and his attorneys have long denied. But an Illinois prosecutor’s plea for potential victims and witnesses to come forward has sparked hope among some advocates that the R&B star might face new charges.