The hairline of LeBron James has been a fascination of many for quite some time. It seems to come and go somewhat randomly, and James himself has even openly joked about it in the past. 

It's also something his teammates hassle him about, and that includes, of course, J.R. Smith.

"I tell him you can't have everything,” Smith explained in a new interview with GQ. “I tell him all the time: You can't have it all! You have to give up one thing, and it just so happened it's your hair. If someone told me I'm gonna give you $600 million but I'm going to take your hair? Take my hair!” 

That $600 million number likely comes from LeBron's latest deal with Nike, but his career earnings will be much, much more.

For what it's worth, LeBron's personal barber recently insisted that there were no shenanigans going on where his most famous client's hairline is concerned.

"There is no dye," he told Yahoo! Sports. "No additives. No preservatives. Everyone thinks he's dying his hair using [temporary hair colorings] Bigen or Black Ice. It's all his hair. They still don't believe me. I get Bigen comments all the time. I've become numb to it. It used to bother me. It's not easy to hear that."

We're not sure we're buying it—and neither are his teammates. 

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