Sean “Diddy” Combs viciously beat Cassie Ventura’s best friend with a wooden coat hanger to find out if she was cheating on him — and also once tried to

The mother’s heartbreaking testimony comes just days after her daughter took the stand to testify against her famous ex.

A former personal assistant to Sean “Diddy” Combs has given a glimpse into the hip-hop promoter’s world when he worked for him nearly two decades ago.

David James, who had worked for the Bad Boy Records founder from 2007 to 2009, testified he was with Combs in Miami when he first met Ventura nearly two decades ago.

Danity Kane member Dawn Richard testified about witnessing Combs attack Ventura in the presence of other high-profile names multiple times.