According to TMZ since Kanye West told the audience at a concert he was performing at that reality TV star, Kim Kardashian was pregnant with his child, her infamous sex tape with her ex-boyfriend Ray J have gone through the roof, with "80% increase."
TMZ, Vivid says video-on-demand purchases of the sex tape have spiked 80% since Sunday night ... the fattest increase they've seen since Kim's wedding to Kris Humphries.
Further, Kanye's been boosting biz for months now. We're told overall sales of Kim's sex tape -- be it VOD, online, or DVD -- have steadily increased every month since he and Kim hooked up last Spring.
