Some want it to be just as acceptable for women to expose their nipples in public as it is for men; others are protesting laws that prevent women, but not men, from going topless.
Why are people fighting to free the nipple? It sounds like the same will happen with this one, which is why I took a screenshot before it could vanish.
The FreeTheNipple hashtag now has over 4 million posts on Instagram, and every so often, a celeb will share a new picture proudly showing off their nipple.
