Perfect for wedded geeks! Except that in the scene, Han says "I love you" and he's the one who disdains lightsabers. And Leia, who says, "I know" certainly has no reason to be a fan of Death Stars.*
But maybe I'm overthinking it.
-via Fashionably Geek
*Yes, I'm aware of the inverted dialogue in The Empire Strikes Back. But the incomplete Death Star indicates that these tattoos reference Return of the Jedi.