Credit: Sara Jaye Weiss/

Unlike her on-screen character Blair Waldorf, who sports an elegant new 'do for every Upper East Side party, actress Leighton Meester usually wears her long brown hair loose and natural. But in NYC on Wednesday, the Gossip Girl star traded her signature glossy blowout for a totally different look.

The actress' dark strands were piled high into an undone updo. Wispy strands stuck out, giving the style a not-too-perfect, breezy effect.

Clad in a Vera Wang Lavender frock, Jimmy Choo pumps, and Van Cleef & Arpels jewels, Meester, 25, joined beauty and fashion editors in Soho to celebrate the launch of Vera Wang's newest fragrance, Lovestruck, which she is currently the face of.