The musician performed in two of the mogul’s best-known recent acts, Danity Kane and Diddy — Dirty Money. She sued him last year, alleging threats and groping.

Pop singer Dawn Richard told a jury in Sean "Diddy" Combs' sex trafficking trial on Friday that she often saw the hip-hop mogul beat his then-girlfriend Casandra Ventura, who earlier testified that Combs physically and emotionally abused her throughout their 11-year relationship.

Sean “Diddy” Combs’ federal sex-trafficking trial commenced in New York. Cassie Ventura testified against the hip-hop mogul, and on Friday (May 16), Dawn Richard — who sued Combs for sexual abuse in September — testified against him as well.