During testimony in Sean “Diddy” Combs’s sex-trafficking trial, Cassie Ventura shared details about Combs’s alleged abuse and her relationship with rapper Kid Cudi.

Cassie has revealed new details about the alleged abuse she faced from Sean "Diddy" Combs while on the stand at his trial.

Cassie Ventura returned to the stand today for more bombshell testimony as the government's highest-profile witness in the trial against Sean "Diddy" Combs. NBC News' Chloe Melas reports from outside the courthouse about Cassie revealing Diddy's jealousy over her relationship with Kid Cudi and his sharing an explicit video of her with other people.

Sean “Diddy” Combs’s federal sex-trafficking trial and high-profile case continues on Day 3 as Cassie Ventura testifies on alleged abuse, freak-offs and Kid Cudi.

Casandra 'Cassie' Ventura said Sean 'Diddy' Combs physically abused her and gave her a black eye before her movie premiere.