The Michael Kors piece had a structured bodice and simple column silhouette.
No shoes could be seen and Leighton wore her dark ombre locks down and straight to complete the sleek look.
“They were always close and friendly,” an insider tells The Oranges.
Last month, the two were spotted traveling together to Bangkok, and already this month, they were seen taking in the art exhibits at the Los Angeles County Museum of Art.
Leighton, 26, and Adam, 33, first became close during the filming of a couple of years ago, but their relationship really took off at the start of 2013, fairly soon after Leighton split with long-time boyfriend Aaron Himelstein.
The socialite teamed the gown with gold jewelry and a hard case clutch.
Well, you’re getting the next best thing — a crossover couple!
According to a new report, Blair Waldorf and Seth Cohen are dating.
Leighton Meester and Adam Brody (their real names) have been friends for years, but lately things seemed to have gotten more serious between them.
From leather leggings to evening dresses, Hollywood's infatuation with rocker-chic style is in full force.
We've honed in on three red carpet A-listers who wowed us with black leather-detailed cutout dresses.
While each look strikes the same chord, they were all created by different designers and worn by ladies with varied style aesthetics.
Early in the year, Leighton Meester wore an avant-garde number to the Hollywood premiere of .