But it's that long black strip running from under her chin to below her cleavage that everyone is talking about.
Cara does love a tattoo, she has over 20, including an elephant, lion and a smiley face on her toe inked by none other than Margot Robbie.
Although we're assuming this body art is that of the temporary kind. But with no confirmation, the jury is out.
Has Cara just kicked off the latest trend?