A former staff member of Jennifer Lopez has claimed that the singer "did not have any idea about Diddy" as speculation over her knowledge of his allegations has mounted over recent weeks. Sean "Diddy" Combs , 55, is being held at the Metropolitan Detention Centre in Brooklyn, New York. He was arrested in September for a series of allegations including sex trafficking and racketeering and has been denied bail. His trial is expected to take place next May. The rapper has denied all allegations