What his hair says about him

His cut is outwardly carefree, but every hair is fairly strategic in its length and placement, explains Craig the Barber, owner of Hollywood's Grooming Concierge, of Tom Cruise's coiff. It makes me think he just gives the appearance of having a casual personality, while everything is actually calculated and planned.

In recent years, Jay-Z has evolved from rapper into a mogul, the kind of man who runs companies, writes books and speaks on panels universities. Neatly groomed and rocking retro spectacles, he gives off an air of seriousness without being too textbook corporate, says Craig the Barber.

Fútbol star Cristiano Ronaldo would catch our eye even without his attention-getting hair. As Craig the Barber explains, his 'do is analogous to his game: The tight sides and wild top totally matches the soccer player's mindset, in which precision is crucial, but enjoying the game is paramount.

Larry David is no schlump, though he's certainly not your conventional Hollywood leading man. Even though he's been transplanted to Hollywood, his persona will always be that of the disgruntled, take-it-or-leave-it New Yorker. Craig the Barber further elaborates: Larry's look proves he feels comfortable rockin' the hair he has, and isn't too worried about the ones he doesn't.

As Prince William's confidence and popularity in the public continues to grow, so too does his hairline continue to recede. But with or without a crown, he bears his thinning pate with grace and aplomb. He successfully minimizes attention on the hair by keeping it nice and neat, says Craig the Barber.

Second in line to the British throne, Harry has the luxury of being a little more carefree than his more controlled older brother. His hair is a tell-tale sign that Harry's obviously the younger, more rambunctious of the two royal brothers, Craig the Barber says of Harry's relaxed, fresh-off-the-polo-horse hairstyle. The red hair demands a certain boldness, and gives him a boyish charm.

While Russel Brand's look seems to say, 'No one can control me, so don't even try, he's less of a rebel and more of a misfit, says New York City hairstylist Grey Wolf of Grey Wolf Salon. His hair isn't aggressive; it's not crazy or overdone, indicating someone that might be afraid of failure of being judged. He probably wears his heart out on his sleeve, says Wolf.

If you can make it past Adrian Grenier's aquamarine eyes, then you'll probably take in his thick wavy mane. It makes him look young but not too innocent, says Wolf. The movement in his hair shows that he can be flexible. He's open to learning and changing.

Onscreen, Swedish-born Alexander Skarsgard plays a powerful (and incredibly sexy) vampire in True Blood. Off-screen, he's less menacing—although still as calculating and regal in his bearing. His neatly cropped hair and straight part speak to an urge to always look put-together, says Craig the Barber. Even when trying to look casual, he still looks like an heir to the Vanderbilt legacy.

Justin Bieber is the most carefully scrutinized teen heartthrob in the entertainment industry, so it's no wonder that his feather-y bangs are mussed perfection. When a man uses product to preserve each strand's position, it cues us in to how tightly controlled his world really is, explains Craig The Barber.

Jason Momoa has made a career out of playing the sexy warrior—first at the fierce Khal Drogo in the HBO series Game of Thrones, and now as Conan in the new film Conan and the Barbarian. In order to pull it off, he has to convey an enormous amount of virility and strength. Craig the Barber makes note of his luscious and wild curls: These locks can transform him into whatever version of himself he wants to play. And he successfully gets away with it too! Confidence is a heck of a thing!