Eilish pulled the rest of her hair back into a low, undone knot style.

As for her makeup, Eilish kept things simple but impactful.

(Good choice, Billie.)

billie eilish y2k beauty look

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(Can someone turn onAll My Lifeby KC and Jojo now?)

The past few years have been a time of experimentation for Eilish.

Billie Eilish is seen with centerparted black hair pinned with a clip and black liner in her waterline.

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