By Lauren del Valle, Nicki Brown, Kara Scannell, Eric Levenson, CNN (CNN) — The singer Cassie Ventura wrapped up her dramatic ...

Testimony in the Sean “Diddy” Combs sex trafficking trial has opened a window into what prosecutors say was the sordid world of group sex, drugs and violence beneath his glittering, jet-set persona.

Sean Combs' longtime ex-girlfriend spent four days on the witness stand at the hip-hop mogul's sex-trafficking trial.

Over four days on the stand, Cassie Ventura became the star witness in the trial against rapper and mogul Sean "Diddy" Combes ...