Former O.C and Gossip Girl stars and couple Adam Brody and Leighton Meester give birth to a baby girl

US American teen drama fans, brace yourselves.

Not only did Seth Cohen from The O.C get married to Blair Waldorf in some beautiful cross-universe, but Adam Brody and wife Leighton Meester have just welcomed their first child into the world!

Related: Where are the rest of the Gossip Girl cast now?

READ MORE CELEBRITY NEWS

The couple have given birth to a beautiful baby girl named Arlo Day, reports TMZ.

Congratulations! We’ll send over the knitted masterpieces straight away.

The couple keep details of their relationship on the down-low and are pretty private about their personal lives. 34-year-old Leighton and didn’t ever confirm that she was pregnant or announce the arrival of their little girl.

The 35-year-old O.C actor got married to the Leighton last year in January, after meeting first on set in 2011 on film, The Oranges.

If all this loveliness wasn’t enough to get your American teen heart a-fluttering, before this news was announced, Adam Brody’s former O.C co-star Ben McKenzie also announced that he Morena Baccarin were expecting their first child together too.

That’s right. Both Seth and Ryan are becoming dads!

That makes us feel insanely happy and insanely old.

Aww – sending over all the love to you Adam, Leighton and little Arlo Day!

Amy Lo