Well, it looks like the stars are sporting some matching tattoos! About a month ago, Demi debuted a cute little smiley face tattoo on the tip of her pinky finger.
But in the same week before Demi revealed her ink, Luke posted a tattoo photo of his own – that's nearly identical.
The similarities between Demi and Luke's designs and their placement is just too perfect for it all to be a coincidence. We wonder what it all means!
What do you think of Demi and Luke's tattoos? Leave us your thoughts in the comments section below.