Ashley Graham‘s family is growing!

The model took to Instagram today to announce that she’s expecting her second child with her husband, Justin Ervin. Graham shared the big baby news by posting a gorgeous maternity portrait captured by her spouse, featuring the model wearing just an oversized button-down blouse elegantly draped around her shoulders and showing off her growing bump. Graham posed in a lush green field of grass under a sky filled with grey clouds.

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“The past year has been full of tiny surprises, big griefs, familiar beginnings and new stories,” Graham wrote alongside the image. “I’m just beginning to process and celebrate what this next chapter means for us ❤️ 📸 @mrjustinervin.”

Graham’s upcoming bundle of joy will make her firstborn, Isaac Menelik Giovanni Ervin, a big brother. The model marked Isaac’s first birthday back in January on social media, sharing a touching, sentimental video recapping their first year together as mother and son.

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“Watching you grow and learn has been the greatest gift. I have so many memories from your first year, so I put together a video of 12 things I learned in 12 months 🍼 I’m dedicating it to you and every mother and baby out there,” the model wrote. “This year has taught us just how strong, adaptable, and fierce we can be. Sending love to everyone going through any stage of their motherhood journey during a pandemic! One year down and I can’t wait to see where the rest takes us ❤️.”

This article originally appeared on Harper’s BAZAAR US.