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 .

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

Sean Combs’ trial continues to unfold in New York, with some high-profile individuals finding themselves in the mix due to taking the witness stand. One of the latest stars to become embroiled in the case is rapper Kid Cudi,