Some guys will go to great lengths to keep themselves looking good, spending endless hours at the gym, going to tanning salons, and getting outfitted in the coolest clobber. Others don't really care for this whole maintenance routine, as they were born Adonis-like. And of course, there's the third group of regular guys, who don't really bother themselves with cool hairstyles and fashion clothes. And we think that now and then, they really should.

Sometimes the secret to great style can be as simple as heading down to your favorite barbers and getting a men's haircut. Whether you are feeling adventurous or want a timeless, classic style, the best hairstyle for your head shape can make all the difference between so-so and downright sexy!

We at Bored Panda have compiled a list of the best before and after transformations of guys who bit the bullet and went for the chop. Some went from ugly ducklings to hot studs; others improved their looks even more with a trendy hairstyle. Although we think they all look great, check out the men's haircuts and the studs under them below and vote for your favorite!