Before today, E ! News confirmed that Leighton Meester and Adam Brody have welcomed their very first child and now, we could reveal additional details concerning the birth- including the name of the tiny one.

The former Gossip Girl star welcomed daughter Arlo Day Brody on August 4 at 12:12 a.m. at Whittier Hospital in Whittier, Calif. The couple that was notoriously private has not commented on the arrival of the baby daughter.

Brody and Meester are aces at staying out their public eye.

Buffs were not able to spy the Gossip Girl alumna’s glowing baby bump until early July when Meester was spotted snatching a bite to eat in Los Angeles with a girlfriend.

While Meester and Brody have never spoken about each other publicly, the brunette stunner formerly shown to InStyle U.K. that her priorities have changed significantly since tying the knot.

PHOTOS: Leighton Meester’s 10 best looks ever on Gossip Girl.

Although we may never understand the meaning of little Arlo’s name, her birth is very significant to both the Gossip Girl and the O.C. fandoms.

Case in point? Gossip Girl fans are over the moon about Blair Waldorf and Serena van der Woodsen finally being mommies at exactly the same time while O.C. buff are reveling in the fact that Seth Cohen and Ryan Atwood are both becoming dads.

Leighton Meester