Article continues below advertisementTiffani Thiessen ordered cake with a side of nudity.The Saved by the Bell alum, 51, went fully naked while snacking on a layered carrot cake on Monday, August 18.Thiessen wore nothing but a stack of gold bracelets, a necklace and a ring as she dug her fork into the dessert.Article continues below advertisementSource: @tiffanithiessen/InstagramTiffani Thiessen shocked fans with a nude video.She styled her short brunette bob in loose waves while she cheekily declared to the camera, "How do you eat it?""When it's hot out, you gotta get naked...