Cassie Ventura, the prosecution’s star witness in the sex-trafficking case against Sean “Diddy” Combs, told jurors Tuesday how her relationship with the music mogul went from lovestruck to abusive. Ventura said that in the early years,

Disgraced music mogul Sean "Diddy" Combs has pleaded not guilty to charges against him.

Federal prosecutors said Combs used lies, drugs, threats and violence to force and coerce Ventura into having sexual encounters with male prostitutes.