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Now that her lifestyle website, Preserve, has launched, Blake Lively's ready to do some creating of a more personal variety.

In a new post called "Preserve Celebration of Family," the "Gossip Girl" alum quietly announced that she and her husband Ryan Reynolds are expecting their first child.

The post opens with photos of pregnant women celebrating what Lively dubs "that special moment at the creation of family," by sharing some treats beneath a canopy of multi-colored lanterns and parasols. "The entire next month will be sprinkled with highlights for women in this exciting chapter of their live," reads the post. It closes with a photo of Lively's silhouette, cradling her clearly pregnant belly.

As Us Weekly points out, Lively spoke openly about her desire to start a family in Marie Claire's September 2014 issue, telling the magazine, "If I could spit out a litter of kids, I would."

She's also confident about Reynolds' fathering skills. "He's going to be a great father and leader and patriarch—he's so meant to be all of those things," she said in a recent issue of Vogue. "The fact that he lived so much before we got together, he's the exact realized person that he should be. And so I get to share my life with the person he's become, and we get to grow from there."

The baby will the first for both Lively, 27, and Reynolds, 37.