The official trailer for Chyna's upcoming Vivid video "Queen of the Ring" is now available. "Queen of the Ring" is Chyna's third Vivid video and one of the most anticipated adult films of all time. The video is a first of it's kind combining porn parody with celebrity sex tapes. "Queen of the Ring" is available online Sept. 4,2012 at vivid.com and in adult video stores Sept. 10,2012. (Video below (C) 2012 Vivid Entertainment).