Did you know you're not supposed to hug the royals? In other words, body contact is forbidden, because you're a peasant and not worthy. LeBron James didn't get that memo, so when it was time to take a photo with the Duke and Duchess of Cambridge, he decided to hug Kate Middleton.

Check out the faux pas:


Thankfully, Kate remembers the protocol. Hair toss time:


Remember, no touching!