Jessica Simpson has a sex tape, internet leak?

Many people are claiming that Jessica Simpson is extremely nervous that a sex tape of her and Nick Lachey will be leaked onto the internet soon. Sources claim that the video has fallen into the hands of the same people who leaked the Pam Anderson and Tommy Lee tape.
A source told Britain's Daily Sport newspaper: "Jessica is horrified her name and sex tape are being mentioned in the same sentence. She's always been a girl of high morals and principles." Source.