Kim Kardashian‘s infamous ex-boyfriend Ray J has opened up about his experience partying with Sean “Diddy” Combs after the music mogul’s arrest on federal sex crime charges.

RadarOnline.com can reveal the RnB singer, who famously filmed a sex tape with the reality star, claimed he “never knew” about Combs’ alleged “freak-offs” at the center of his federal indictment.

The revelation from Ray J, whose real name is William Ray Norwood Jr., came as Kardashian’s lawyer sent a social media user a cease and desist letter over claims she was involved in Combs’ X-rated recording and was under FBI investigation.

Norwood has known Combs for years – and at one point considered him a mentor.

During an appearance on NewsNation host Chris Cuomo‘s program, the singer said he was “shocked” by Combs’ allegations.

At the center of the mogul’s indictment were alleged “freak-offs” in which Combs was accused of coercing female victims and hired male prostitutes into sex acts which sometimes lasted for days.

Combs was further accused of filming the “freak-offs”. He has pleaded not guilty to the three federal charges.

When asked about Combs’ allegations, Norwood said: “We’ve never seen the stuff that’s being said and the stuff that people are finding out, like, I’ve never been in rooms that people are talking about, and I never knew they existed.

“And a lot of people in the industry can agree with me on that sense. Like you all wanted to go and have a good time at a Diddy party.”

He added many in the industry attended Combs’ infamous parties to be “inspired” and go to work the next day after enjoying a night out.

Now, the One Wish singer claims many who attended the events are still trying to “digest” the allegations against Combs.

He also claimed while the allegations were not “factual yet”, the suspected crimes were still “hurtful and confusing” for those who personally knew the mogul.

Norwood added: “We just need to use it as a moment to reflect, not to criticize, but find a better way to move forward as leaders, individuals in this culture that we’re in right now.”

Meanwhile, his one-time ex-girlfriend is among the long list of entertainers who have been roped into Combs’ sex scandal by association with the mogul.