Only a couple of months ago, Scout Willis made a topless stand against social media regulations regarding nudity: #FreeTheNipple.

Why? Because only female nipples are banned.

Cara Delevingne has now jumped on the cause – yesterday posting an image pointing out how male and female nipples are anatomically identical.

Is it Cara herself in the Instagram pic? We’ll let you decide…

Scout Willis goes topless

Cara Delevingne style file

The many faces of Cara Delevingne