Kid Cudi is expected to testify about his relationship with Casandra “Cassie” Ventura, the star witness in Sean “Diddy” Combs ...

Sean 'Diddy' Combs faces a number of charges, including racketeering conspiracy, sex ­trafficking by force, fraud or coercion ...

Rapper and actor Kid Cudi is expected to testify at the Sean “Diddy” Combs sex trafficking trial on Wednesday.