Ashley Graham and husband Justin Ervin announced that they are expecting their first child!

The couple had just celebrated their ninth wedding anniversary when they made the big announcement on Wednesday (August 14). Graham posted a video of the two posing for a picture. As the camera pulled further away to reveal Graham's pregnant belly, the couple yelled, "Surprise!"

"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 wrote 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."

Ervin shared a photo of the happy couple holding a picture of a sonogram, along with throwback pictures of the pair throughout their relationship.

"To my forever love and my daily inspiration. Happy anniversary @ashleygraham These 9 years have played out like a lifetime," Ervin wrote. "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..."

Watch the sweet video, below!