Sources close to the Kardashian family claim the day before their big fight, Blac Chyna was using cocaine and alcohol for several hours. They say later that night Chyna and Rob went to a strip club together…and Chyna proceeded to take a stripper home with them. After being fed up with her antics, Rob kicked the stripper out of their home, triggering the big blowup. Who do you believe? Let us know in the comments below.