Blair Waldorf and Seth Cohen are having a baby!

Leighton Meester is expecting her first child with husband Adam Brody -- and the first pics of her growing baby bump popped up on PopSugar Monday.

The brunette beauty first sparked pregnancy buzz earlier this month when she was spotted with a tiny belly while performing on stage in Vancouver.

The former "Gossip Girl" star and her "O.C." hubby met on the set of "The Oranges" in 2011, got engaged in November 2013 and tied the knot in February of last year.

The notoriously-private pair has largely stayed mum about their relationship, but the actress recently talked about the possibility of expanding their family. 

"Most people I know are starting to get married," she told Nylon. "It'll be kids next. I like the grown-up stuff. I like having a house. I've got dogs."

"I started [Gossip Girl] when I was so young," she added. "And once it was over, I wanted to do things that were exciting and challenging and more me -- more my adult taste."

Nothing more "adult" than having a baby, right?

Congrats to the happy couple -- next up, playdates with Blake Lively's daughter, James!


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