Can a guy be just as hot with his pants on as with his pants off? ABSolutely, especially when he has incredible ab muscles. Those of you who have done even just one crunch, no less the hundreds that many celebrities do each day, know that a flat stomach is earned through the most grueling of conditions. Pass! If anyone is going to get us to incorporate ab day into our nonexistent workout routine, it is going to be these ten celebrities. We sorted through hundreds of famously ripped celebrities to bring you the ten with the most enviable abs. From impossibly flat stomachs to rippling ab muscles, all of these men crunched the competition. Enjoy!