R. Kelly accuser says singer made her wear pigtails and dress like a Girl Scout

A key prosecution witness against R. Kelly at his sex abuse trial testified on Thursday that the R&B singer videotaped their sexual activity when she was 16 and insisted she dress like a Girl Scout.Jerhonda Pace, 28, appeared for her second day on the witness stand, as the first of many prosecution witnesses expected to testify in Brooklyn federal court against the 54-year-old Kelly.The singer, whose full name is Robert Sylvester Kelly, has pleaded not guilty to a nine-count indictment accusing…