<p><br /> Joss Stone has stripped down to her bare essentials for animal rights charity PETA.<br /> </p><p><br /> The advert shows the singer holding a teddy bear that covers her naked body and features the slogan 'Bear Hugs, Not Bear Caps'.<br /> </p><p><br /> Miss Stone is the latest to join a string of celebs condemning the use of fur for the Queen's Guards' hats, which are said to be made using the fur of black bears found in the US.<br /> </p><p><br /> The 23-year-old said: "It's time for the Ministry of Defence to finally make the switch and go fur-free, and I hope that the ad I have created with PETA helps raise awareness and puts a stop to this unnecessary killing."<br /> </p><p><br /> Other stars who have got naked to campaign for PETA, on behalf of all sorts of animals, are Pink, Eva Mendes and David Hasselhoff.<br /> </p>
