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Mom’s the word for Ashley Graham.

On Wednesday, the 31-year-old supermodel announced she and husband Justin Ervin are expecting their first child together.

“Nine years ago today, I married the love of my life. It has been the best journey with my favorite person in the world!” Graham posted on Instagram. “Today, we are feeling so blessed, grateful and excited to celebrate with our GROWING FAMILY! Happy anniversary, @mrjustinervin ❤️ Life is about to get even better.”

Graham shared the exciting news via video, which showed off her growing baby bump.

“Surprise!” she exclaimed in the clip, as Ervin put his hand on her stomach.

The couple wed in 2010.