R&B singer Cassie, a former girlfriend of Sean "Diddy" Combs, took the witness stand Tuesday to testify about her experiences with the music mogul in the ongoing, federal sex trafficking trial against him that officially began this week in New York.

R&B singer Cassie Ventura testified in Sean "Diddy" Combs' trial that much of her life while dating him revolved around "freak offs."

Courtroom evidence presented against Sean “Diddy” Combs on Tuesday at his sex trafficking and racketeering trial revealed the twisted nickname the disgraced mogul requested his ex-girlfriend Cassie Ventura call him.