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,

The R&B singer Cassie could testify as soon as Tuesday in the sex trafficking trial of her ex-boyfriend Sean “Diddy” Combs.

The 55-year-old hip-hop mogul has been charged by federal prosecutors with sex trafficking, racketeering conspiracy and transportation to engage in prostitution.

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

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.

Lawyers for Misa Hylton, who previously showed support for Diddy accuser Cassie, said that she was at the trial to support her son with the music mogul.

A small collection of people will help decide the fate of Sean "Diddy" Combs. The trial is heating up as jury members have been selected.

A federal jury of eight men and four women is hearing testimony at the sex trafficking trial of Sean “Diddy” Combs. The jurors range in age from 30 to 74.