Kevin Smith's upcoming film Zack And Miri Make A Porno is struggling to secure an R rating in the US, MTV reports. Rogen said: "The MPAA is gunning for us, I think. It's a really filthy movie. I hear they are having some problems getting an R rating from an NC-17 rating, which is never good."

Busty new Wonderbra model Dita Von Teese has a secret porn flick past, The Sun revealed. The stage queen — famed for making the burlesque show mainstream — starred in a kinky lesbian movie. Explicit clips of the 35-year-old being spanked and pleasured with a bizarre sex toy by women have emerged online.

The iPhone is definitely a sexy phone. It's also the perfect vehicle for bringing mobile porn to Americans, according to adult content producers. Apple had no comment on the iPhone's porn allure.