A resurfaced clip from “Keeping Up With The Kardashians” is causing a stir … with Khloe Kardashian reveal that you are at one of the Diddynotorious parties, mentioning in passing Justin Bieber was also there.

In the 2014 clip, Khloe told her sister Kourtney: “I got on a plane at 5:30 a.m. So, this party… I think half the people there were stark naked… You would have loved that!”

When Kourtney asked who was with her, Khloe casually rattled off the guest list… and mentioned that she was with a group of friends – Diddy, Quincyand Bieber.

Bieber was just 20 at the time and Diddy played an important role in the launch of his career.

Given the serious crimes associated with these infamous parties, this isn't the only video that's causing concern… plus, several other videos have resurfaced showing the teenage Bieber hanging out with Diddy, causing concern among fans online.

Bieber has not yet commented on the matter – but apparently JB is well aware of all the allegations circulating around Diddy … a source close to him has said PEOPLE He prefers to concentrate on his wife Hailey and her little son, Jack bluesinstead.

As we reported … Diddy was arrested in New York City by federal agents and charged with sex trafficking, conspiracy to commit organized crime, and transportation of people for the purpose of prostitution, among other serious offenses.