During her first day of testimony, Ms. Ventura described a relationship with Mr. Combs that was controlling and included physical abuse.

R&B singer Casandra Ventura, known as Cassie, gave her second day of testimony as the prosecution's key witness in the federal sex-trafficking trial of Sean "Diddy" Combs.

Ms. Ventura said she wore a masquerade-style mask and provocative clothing from a “sex store,” and that she and the man took Ecstasy and drank alcohol before they had sex and Mr. Combs watched.