Sculpting perfect glutes isn’t easy. It takes time, a proper diet, and hard work to build a bodacious booty—a combination that some women seem to have down to a science.

We scoured Instagram to find some of the best glutes out there—from trainers, to influencers, to pro bodybuilders, and we challenge you not to get inspired by the hard work they put in to maintain their physiques.

Here (in no particular order) are our picks for the best butts on Instagram of 2018.