(Advisory: Story contains mention of sex tape, and strong language in last two paragraphs) LOS ANGELES (TheWrap.com) – Kanye West has apparently decided to take the old adage "write what you know" to heart. West opens up about his latest flame Kim Kardashian's XXX past on his latest track "Clique" – and slyly admits that the raunchy romp with her former beau Ray J is pretty much responsible for her rise to fame. On the song – an upcoming single from the collaborative album "Cruel Summer" – West raps, "Eat breakfast at Gucci. My girl a superstar all from a home movie. …