Arguably the Jigga of porn (complete with vast media empire and gradual fall-off), Jenna branded her dazzling looks (pre-surgery) into a one-woman industry complete with a billboard in Times Square. In Hov's parlance, she clearly knows how to ride nice dick and her head is priceless. In her absolute prime, she'd probably be way higher on this list, but all those Botox and lip injections have blurred her glory days. For shame.

Follow her on Twitter @jennajameson