Marco Andretti (auto racer)
Tia Carrere (actress/singer)
Adam Corolla (comedian/radio host)
Lou Ferrigno (former "The Incredible Hulk" star)
Debbie Gibson ('80s Pop singer)
Teresa Giudice (part of "The Real Housewives of New Jersey")
Victoria Gotti (actress/author who's the daughter of crime boss John)
Arsenio Hall (actor/comedian/TV host)
Penn Jillette (comedian/magician/TV host)
Lisa Lampanelli (comedienne)
Dayana Mendoza (Miss Universe '08)
Aubrey O'Day (former Danity Kane singer & reality TV personality)
Dee Snider (Twisted Sister frontman)
George Takei (actor/gay rights activist)
Cheryl Tiegs (actress/former supermodel)
Paul Teutul, Sr. ("American Chopper" star)
Patricia Velasquez (Venezuelan actress/model)
Clay Aiken (actor/singer)
Sources: CBSNews.com & NBC.com