Miranda Kerr's baby-fine sombré highlights have a youthful, skin-brightening effect.

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The golden undertone of this caramel hue flatters warm skin tones, like Mindy Kaling's.

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"Rich" and "smoky" are words Chaplin and Nawrot use to describe the deep brown color of the moment, a cool espresso. This ashy shade looks striking against pale and dark complexions alike. (Case in point: Anne Hathaway and Adriana Lima.)

The color you need to ask for? Oddly, it's green. "Make sure your colorist is using a green base," says Nawrot. "This will ensure that you have an even, dark brown with no warmth." You can also cool down your color with a DIY green toning product.

Bella Hadid's cool brunette hair draws attention to her gorgeous skin tone and light eyes.

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This deep, light-reflecting shade makes Kendall Jenner's hair appear extra healthy and shiny.

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