Star witness Casandra “Cassie” Ventura has taken the stand at Sean “Diddy” Combs’ federal sex trafficking trial.

Cassie testifies in Diddy's sex trafficking trial, detailing years of abuse, drug use, and coercion during their relationship ...

At his trial, Sean “Diddy” Combs’ ex-girlfriend - . Cassie Ventura - testified today about the so-called “freak offs” she says the entertainment mogul forced her to participate in.