Spotted at Tribeca's Nexxus Salon, hair in foils: Leighton Meester. Yup, ICYMI, one of the most iconic millennial brunettes, Blair Waldorf — er, Leighton — just went platinum blonde.

What was once the preppy hair accessory of middle school, or the iconic uniform of Blair Waldorf on “Gossip Girl” is now the hot new must-have for fall and beyond. The humble headband is all ...

The black hair accessory had big ribbon rose decals and slicked back her long curls. Elegant, glamorous, and absurdly chic, this is when Blair Waldorf and headband pretty much became synonymous.

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When it comes to Blair Waldorf's hair, I'm a big fan of her romantic, undone curls. I even thought her ringlets would be a good pairing for my soft, smoky makeup. So I grabbed my curling iron and ...

Blair Waldorf always looks pristine ... Blair can fake a smile all she wants in her gorgeous Vera Wang dress, but her hair can’t fake the part! Blair is clearly unhappy and she definitely ...

If you lust over Blair Waldorf’s bright lipstick collection ... Shipping now, Birchbox’s four theme boxes contain the Kerastase hair products used on set by the show’s hair department ...

In London promoting her book, the actress wore the ultimate Blair Waldorf homage ... Yes, she has her hair in front of the headband in this white look, but that small part could be Millie's ...

The jacket Meester wore this week, from ME+EM, was a fresh take on Blair’s go-to style ... and dainty gold jewelry—plus her new fiery orange hair.

The series’ preppiest Upper East Sider, Blair Waldorf, has almost 3 billion views ... Both made glossy hair a signature, with Blair making an excellent case for bow headbands and berets.

Even megastar Selena Gomez can't resist the draw of a good Blair Waldorf hair bow or headband – but so far, she's only really repped the Manhattan queen bee with her beauty choices. Until now ...