Sometimes there's a guy that we find kind of passingly cute, but once we see what's underneath all those clothes, they surprisingly become so insanely hot nothing can quell the flames of our desire. This week's shirtless celebrities are exactly that type. Yes, they're cute, but when stripped down--Whoa! Mondo jack-off material! From a surprise basketball superstar to a 40-year-old who looks 20 years younger to a TV star who's tantalizing in nothing but a thong, prepared to be amazed at the world of surprise celebrity sexiness.