There are a lot of selfies on Instagram, usually pics from a day you were really feeling it. But how about selfies of the parts we usually try to cover up? Well, now we’ve got #CelluliteSaturday.

Canadian body-positive activist Kenzie Brenna started the hashtag to remind us that cellulite is normal—and really common. About 90 percent of women (and 10 percent of men) have cellulite. It’s mostly genetic, and it affects people of all shapes and sizes. So you should get used to seeing it (even if you don’t want to post your own #CelluliteSaturday pic). But if you do, you can look to Brenna for some inspiration: