PrivacyWatch celebrity sightings are submitted by our readers, which we try to post several times per week—so be sure to send them in as often as possible. Submit yours to tips[AT]defamer.com (please put "sighting" or "PrivacyWatch" in the subject line) and let the everyone know about the time you spotted Dustin "Dirty Sanchez" Diamond putting Prius-riding pussies to shame by lugging his bicycle onto the LA Metro.