7. Paris Hilton, 'Supernatural'
In 2009, someone thought it was a good idea to feature Paris Hilton on an episode of Supernatural, and boy were they wrong. Granted this cameo is the least offensive thing on Hilton's resume, considering she's starred in films like The Hottie and the Nottie. The hotel heiress and reality TV star went full glam and delivered riveting one-liners like “Awesome.”