Sean “Diddy” Combs’ ex-girlfriend, Cassie Ventura, began what could be a days-long testimony in Combs’ sex trafficking trial Tuesday, alleging on the witness stand Combs had subjected her to physical abuse and coerced her to participate in “freak off” sex performances. (Here is a complete list of the allegations against Combs).

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Ms. Ventura said she participated for days at a time, sometimes without sleep. “Something that Sean wanted to happen, that’s what was going to happen,” she testified.