Follow The Post’s live updates from the Diddy trial in Manhattan, as his ex-girlfriend Cassie Ventura — the feds’ star witness — is grilled by his defense attorneys.

Disgraced rapper Sean 'Diddy' Combs is back in court for day four of his trial as his former partner Cassie Ventura takes to the stand to be cross-examined by his legal team

Follow live updates and coverage of Sean ‘Diddy’ Combs' trial in N.Y. as Cassie Ventura will face cross-examination from Combs' lawyers.

The 55-year-old hip-hop mogul has been charged by federal prosecutors with sex trafficking, racketeering conspiracy and transportation to engage in prostitution.

On the stand in court Tuesday, Cassie alleged Combs would "bash my head, knock me over, drag me, kick me, stomp me in the head if I was down."