Body-positive model Ashley Graham is going to be a mother.

USA Today reported that Graham and her husband, filmmaker Justin Ervin, announced on their ninth wedding anniversary they are expecting their first child.

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"Nine years ago today, I married the love of my life," Graham wrote in a Wednesday Instagram post. "It has been the best journey with my favorite person in the world! 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."

The post included a video of Graham and Ervin posing for a photo, which revealed Graham is pregnant.

Ervin shared a post that included a sonogram photo of their baby.

"To my forever love and my daily inspiration. Happy anniversary @ashleygraham," he wrote. "These 9 years have played out like a lifetime. I guess it's because my life really started once you came into it. Now that we've made a life together, let's make a life together. I love you and I love us. All of us..."

Ervin and Graham dated for a year before getting engaged in 2009 and marrying two months later.