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 ...

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 ...

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.

Leighton Meester is winking back to her most iconic onscreen character: Blair Waldorf. This Tuesday ... gold jewelry—plus her new fiery orange hair.

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 ...

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 ...

And who could forget “It” girl Blair Waldorf’s game-changing fashion ... first pop culture moments that put accessories, for hair in particular, on the map. “It became something that ...

Hey Upper East Siders, Gossip Girl here and do I have the biggest news for you? Spotted: Blair Waldorf... I mean, Leighton Meester debuts a brand new haircut. Looks like Queen B just confirmed ...