Following Cassie’s testimony, the Danity Kane singer testified in court after Richard’s recent lawsuit accused Diddy of sexual abuse. Another musician accusing Diddy of sexual abuse took the stand on Friday,

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.

Diddy wants Dawn Richard's civil suit against him thrown out ... calling the allegations she's made against him totally false -- on the same day she took the witness stand against him in his criminal trial.