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,

Sean "Diddy" Combs' sex trafficking trial began with the Cassie Tape being played, testimony from a male exotic dancer and opening statements.

This is day two in the trial of Sean Combs after the jury was seated.

The singer, expected to be prosecutors’ star witness, took the stand in Sean “Diddy” Combs’ sex trafficking trial on Tuesday.

Disgraced music mogul Sean "Diddy" Combs has pleaded not guilty to charges against him. Diddy's trial for sex and human trafficking, assault, and racketeering conspiracy will take place in New York, with no cameras allowed inside the courtroom.

Cassie Ventura testified that she did not remember how the term “freak off” came about but she recalled Sean Combs proposed “this sexual encounter, that he called voyeurism, where he would watch me in intercourse, sexual activity with another man” within the first year of their relationship.

Sean “Diddy” Combs’s federal trial began with opening statements and testimony that alleges bribery, violence and paid sexual encounters.

Phillip said that Cassie “jumped into my lap, shaking. I asked her, ‘Why is she doing this? Why is she staying with this guy if he is hitting and beating her like this?’” Phillip's reaction isn't uncommon,