Leighton Meester and Adam Brody were spotted together at the premiere of his new film "Some Girls." The couple who has been quiet about their romance was on smiles as they attended the Los Angeles premiere.

In the film Brody plays a successful writer who decides travels across the country on the eve of his wedding to meet up with ex-lovers in an attempt to make amends for past transgressions, according to the Daily Mail.

He reunites with his high school sweetheart Sam played by Jennifer Morrison, a sexually free-spirited Tyler played by Mia Maestro, his married college professor Lindsay played by Emily Watson, his best friend's little sister Reggie played by Zoe Kazan, and "the one that got away" Bobbi played by Kristen Bell.

To the post premiere festivities Meester wore a two-tone blue dress with a pink satchel and nude sandals, she opted to wear her brunette bob in loose waves. While her boyfriend decided to wear open-neck shirt and blue pants for the screening.

[To see photos of the couple enjoying their night out click HERE]

The couple who met on the set of their 2011 independent film "The Oranges" are rumored to have been dating since March but have never confirmed the romance.

The Daily Mail reported that in the past the former "Gossip Girl" star said that when it comes to relationships, it is all about the chemistry of love, "I haven't been in a lot of relationships, but I've been in love, she said.

"There's an inexplicable chemistry. You just really, really want to, like, stare at the person."

"I've never fallen in love right off the bat. I get scared to say I love you too soon because it means so much. It means you're not seeing an end to things."

What do you think about Leighton Meester and Adam Brody finally confirming their relationship to the public?