When it comes to their hair, Prince William and Prince Harry both have had a great sense of humor. A year ago, when the brothers had their official portraits unveiled, Harry joked, "I'm a little bit more ginger in there than I am in real life, and [William was] given more hair so, apart from that, it is what it is ... it could have been worse!"

Now, with William's wedding coming up, all anyone can talk about -- besides Kate Middleton's dress, of course -- is his disappearing hair line and what he'll eventually have to do about it. There are several camps, including the hair transplant crowd, the let-it-all-go set and fans of the shave-it-all-off route.

I asked celebrity hairstylist to the stars Gregg Giannillo, from the Giannillo salon in NYC, what he thought about a possible Bruce Willis look for Will.

"It all depends on the shape of the head," Gregg tells me. "Some men have a very proportionately shaped head, where shaving it may actually accentuate otherwise unnoticeable features such as eyes. Prince William looks great whatever he chooses to do."