Sam Wallace shares sweet photo of the twins' at their first birthday party

And just like that; they're ONE!

It's hard to believe, but today marks Sam Wallace's identical twin baby girls first birthday.

Taking to Instagram, the father-of-three shared a sweet collection of photos of the birthday girls sharing a cuddle with their mum and dad.

As today also marks Sam's fiance Sarah's birthday, he included a picture of their three impressive cakes in the post.

Alongside the photos, Sam wrote: "When you have twins on your birthday the cake must match the occasion 🎉😵‍💫.

"Happy birthday to @sarahbowmanj and our little ladies 💗💕."

On the eve of their first birthday, Sam gave the Coast team an update on the twins, revealing the both finally slept through the night.

It's won't be long before they're walking and talking.