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

Sean “Combs” ex-girlfriend Cassie will be one of the first witnesses at his bombshell sex-trafficking federal trial — and could take the stand as soon as Monday, prosecutors say.

The R&B singer Cassie could testify as soon as Tuesday in Sean “Diddy” Combs’ sex trafficking trial, as the Bad Boy Records founder faces charges that he orchestrated a deviant empire of exploitation that forced women into drugged-up sex parties called “freak-offs.

The prosecution and defense outlined their arguments and witnesses took the stand in the first day of the Sean "Diddy" Combs sex crimes trial.

Jurors may also see recordings of events called “Freak Offs,” where prosecutors say women had sex with male sex workers while Combs filmed them. The indictment said the events

Sean “Diddy” Combs’ former girlfriend, the R&B singer Cassie, took the witness stand in his sex trafficking trial on Tuesday, a day after prosecutors showed jurors video of the music mogul beating her

Sean “Diddy” Combs’ former girlfriend, the R&B singer Cassie, told a jury Tuesday that the music mogul abused and sexually exploited her for years, as she took the witness stand for the first time during his sex trafficking trial in New York.

The singer, whose real name is Casandra Ventura, became emotional at one point during her first day of testimony, saying she didn’t want to disappoint Sean “Diddy” Combs.