Each season, we’re on the hunt for #hairspo to get us out of our self-induced beauty rut that resulted from skimping on trims and David Mallet Hair Mask No. 1 ($75). But lately, we’ve found ourselves double-tapping on more and more stunners embracing classic brunette locks on Instagram. While obviously this option is way easier (and less expensive) than maintaining colour, what hooked us is how vibrant natural colour can be. With hues ranging from light and ashy to deep chocolate brown, these ladies look like they should be starring in a shampoo commercial—and some of them are models, so maybe they will. Keep scrolling for healthy and beautiful brunette hair to get you psyched about fall.