Kate Middleton's most glamorous updos perfect for the holiday season

Get party hair inspiration courtesy of the Duchess of Cambridge.

Shakira dyes her locks pink and other stars getting bright color hair makeovers

See all the celebrities who are getting on board with the brightly colored hair, whether pink, blue or green.

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Queen Letizia goes glam and more of the latest must-see celebrity and royal beauty looks

Don't miss a single moment of celebrity and royal beauty inspo as we bring you the latest hair and makeup looks.

<a href="http://us.hellomagazine.com/tags/1/uma-thurman/"><strong>Uma Thurman</strong></a>'s dark hair made her eyes pop when she debuted the look, right, at the Pirelli calendar launch in November 2016.

Photos: Getty Images

Blonde vs brunette: Celebrity hair transformations

The best dark to light and light to dark celebrity hair transformations.

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