evidence: Disgraced R&B singer R. Kelly was sentenced to 20 years in prison in a Chicago federal courtroom Thursday following his conviction last year on charges of child pornography and enticement of a minor, his second such lengthy sentencing in the past year. Kelly, 56, is already serving a 30-year prison term for his 2021 conviction on racketeering and sex trafficking charges in a New York federal court. [...] At the time of the Chicago federal trial, Kelly had already been convicted of racketeering and sex trafficking in a New York federal trial.