Sean 'Diddy' Combs' trial is underway at a New York City courthouse as the third day will see his former girlfriend Cassie Ventura take to the stand again as a key witness ...

WARNING: DISTRESSING CONTENT. Cassie Ventura has made allegations about the days-long 'Freak Offs' that she claims she was forced to participate in by her former partner, Sean 'Diddy' Combs ...

As Sean "Diddy" Combs' trial unfolds in NYC, here's what to know about Cassie Ventura and other the key witnesses in the case ...