Casandra Ventura, known in the music industry as Cassie, has given lengthy testimony this week on her on-off relationship with music mogul Sean "Diddy" Combs.

A series of famous faces have been named in the first few days of Sean 'Diddy' Combs' trial, including the likes of Bruce ...

An attorney asked Ventura a series of questions about Ventura admittedly feeling jealous during her relationship with Combs ...

Justin Bieber breaks silence on speculation he was a Diddy victim - Hip hop mogul and teen star made joint TV appearances 15 ...

Cassie Ventura, Diddy's former partner and music artist, is a key witness in his ongoing sex trafficking trial. Here's everything to know about her testimony, background, and role in the case.