Singer Dawn Richard saw Sean “Diddy” Combs beat his then-girlfriend Cassie Ventura “often” — including once coming at her with a skillet, knocking her to the ground, a Manhattan court heard Friday. Richard — a former singer in the Combs-founded girl group Danity Kane — told jurors she first witnessed the music mogul attack Ventura in 2009,

Dawn Richard testified at Sean Combs' criminal trial Friday after Cassie Ventura finished four days on the witness stand.

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.