This amazing photograph emerged from a recent royal trip to the set of Star Wars: Episode VIII, when producers did their very best to convince HMRC it's a UK production, for UK people, by UK people, for UK tax purposes, by inviting the two princes along for a jaunt.
They held dummy lightsabers, they pretended to be interested in a demonstration of green screen technology, and, best of all, Harry got to hug Chewie:
Or Chewie got to hug Harry, we're not too sure of the pecking order when it comes to film stars and royalty.
"How come you're so old yet yours is still so thick and shiny, especially on top?" might be what was said.
"Yes, mine's ginger all over."
"That protocol droid reminds me of my dad."
"I'm a peripheral character too!"
"There's a free Scottish castle in it for you if you kill my brother and make it look like an industrial accident."