ToplineSean “Diddy” Combs’ ex-girlfriend, Cassie Ventura, took the witness stand Tuesday morning in what could be a days-long testimony crucial to the government’s case against the rap mogul, in which Ventura testified Combs would frequently subject her to physical abuse and coerced her to participate in “freak-off” sex parties (Combs has pleaded not guilty to all five federal charges).

Cassie Ventura took the stand in Diddy's trial and testified she received a $20 million settlement from a lawsuit filed in November and dismissed 24 hours later.

During testimony in Sean “Diddy” Combs’s sex-trafficking trial, Cassie Ventura shared details about Combs’s alleged abuse and her relationship with rapper Kid Cudi.

Sean "Diddy" Combs' ex-girlfriend Cassie Ventura testified in court on her romance with Kid Cudi and how the relationship angered Combs.

The second day of testimony from the singer and former partner of the rap mogul included further details of her recollections of "freak-offs" and multiple accounts of physical and psychological abuse.

Ventura's husband, Alex Fine, has been present in the courtroom to support his wife. Before the jury entered the courtroom May 13, Combs' defense team attempted to prevent Fine from being present for witness testimony.