Kid Cudi, whose real name is Scott Mescudi, was called as a witness by the prosecution. Mescudi, the "Pursuit of Happiness" rapper, was once in a brief relationship with Combs' ex, Casandra "Cassie" Ventura .

Follow the latest news and live updates from the trial of Sean 'Diddy' Combs. Artist Kid Cudi is expected to take the stand after Combs' former assistant.

Sean Combs is on trial. From freak offs to a "death threat" described by Dawn Richard, here are the most striking revelations so far.