Rihanna likes to be spanked, Kendra likes Skype sex, and Katy shoots whip cream out of her bra — who is the most sex-crazed star in Hollywood?

With some celebrities, like Rihanna who just revealed she enjoys getting spanked, there is no such thing as TMI. While some stars love their privacy, there are a growing number who are willing to share their most intimate moments with everyone on talk shows, in magazine articles, and on Twitter — and it is ALWAYS about their sex lives! John Mayer said Jessica Simpson was sexual napalm, Jada Pinkett Smith revealed she and Will have sex in public places, Katy Perry said she’s exhausted from having sex with Russell Brand. Click to read and vote on the most sex-crazed star! Click here to read more