Britney Spears was spotted on a beach in Mexico showing off her figure in a thong bikini. And wow is it flattering. Assuming, of course, that flattering now means exactly the opposite of what it used to mean. How is she looking in a mirror and going, "Yeah, yeah, this is real good. This would look great in a thong." What should be happening is she should be looking in a mirror, then crying, then putting on a trash ...