The National Enquirer is reporting that Chelsea Clinton and Marc Mezvinsky have called in New Age reinforcements to help heal their ailing marriage. According to the tabloid, with Mark quitting his job to become a ski bum and Chelsea growing increasingly frustrated with his flakiness, their young marriage is losing its spark. That's why the couple hired Australian fitness guru Simone Ayesa to teach them, among other things, tantric sex techniques. [Daily Mail UK] Hey, they wouldn't be the first celebs to explore the ancient art of transcendent, sexual healing. After the jump, some more celebs who have experimented with tantra.