Ventura is a critical witness in the prosecution's case against Combs, who has been accused of sexually assaulting, trafficking and exploiting women for decades until his arrest on multiple charges last September. The music mogul could receive a lifetime prison sentence if convicted on all of charges.
Ventura is expected back on the stand Wednesday, and her testimony could last the entire week.
Here are some key moments from her first day of testimony.
By Emily Mae Czachor https://www.cbsnews.com/newyork/live-updates/diddy-trial-live-updates-cassie-testimony/#post-update-c8837c97 Updated 16m ago Who has testified in the trial so far?So far, jurors have heard from three witnesses.
Israel Florez testifies in the trial of Sean "Diddy" Combs on May 12, 2025.
Jane Rosenberg
Israel Florez was the very first witness to testify. He worked as a security manager at the hotel where Combs was caught on video beating Ventura and responded to the incident. He testified that, after the incident, Combs threw a stack of cash at him and told him not to tell anyone about it.
Daniel Phillip testifies in the sex trafficking trial of Sean "Diddy" Combs.
Jane Rosenberg
Daniel Phillip was the second witness. He told jurors he was paid to have sex with Ventura and did so while Combs watched. He also testified that he witnessed Combs throw a bottle at Ventura and drag her by her hair into another room.
Cassie Ventura cries on the stand in the trial of Sean "Diddy" Combs on May 13, 2025.
Jane Rosenberg
On Tuesday, Ventura became the third witness to testify. She testified about how her relationship with Combs got started, how he suggested she start having sex with other men, that he could become violent, and that he provided drugs during the "freak offs," which could last for days.
By Jesse Zanger https://www.cbsnews.com/newyork/live-updates/diddy-trial-live-updates-cassie-testimony/#post-update-6511468c Updated 16m ago What has Sean "Diddy" Combs been accused of?Federal prosecutors have charged Sean "Diddy" Combs with several crimes.
He's been accused of sex trafficking as recently as last year, and using force, fraud or coercion to compel someone to engage in commercial sex acts.
Combs has been accused of transporting a woman and commercial sex workers in order to engage in prostitution.
He was initially charged with racketeering conspiracy and sex trafficking.
In total, he faces five charges, and potentially decades in prison if convicted.
Combs has pleaded not guilty, and denies committing any crimes.
By Jesse Zanger https://www.cbsnews.com/newyork/live-updates/diddy-trial-live-updates-cassie-testimony/#post-update-08d1c86e