There’s obviously no love lost between Chelsea Handler and Instagram, especially when it comes to nudity in photos. Knowing that—along with the ubiquity of Kim Kardashian’s butt photo from Paper Magazine that she posted on her Instagram yesterday—did you really think there was any chance this moment would pass without Chelsea chiming in?

Handler just posted the above photo, going for a decidedly less glamorous/airbrushed look as she captured her butt in a truly natural state. Of course, she also used the occasion to lob a challenge at Instagram, daring them to take her photo down.

While it remains to be seen if Insta will take the bait, it’s clear that this whole butt photo meme is about to explode across the entire Internet:

[via Instagram]