Kid Cudi has opened up about his experience testifying against Sean "Diddy" Combs, calling the ordeal "really hard" but insisting that he still believes it was the right thing to do. In honor of his new book,

Cudi briefly dated singer Cassie Ventura in 2011 and testified about the abusive nature of her relationship with Sean "Diddy" Combs.

Kid Cudi opened up about testifying at the Sean 'Diddy' Combs trial, saying, 'I hated every minute of it,' but he was there to 'support Cassie.'