WATCH: Kris Smith surprises wife Sarah Boulazeris on their anniversary
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The couple celebrated the safe arrival of Frankie Elle Smith on December 12, and took to Instagram on Friday to share the exciting news.
"Yesterday 12.12.19 all of our Christmas wishes came true, we introduced our healthy baby girl Frankie Elle Smith into the world," Kris gushed to his followers.
The proud dad also thanked his girlfriend, as the pair welcomed their second child together.
"Sarah, you were a complete rock as always, you amaze me everyday... thank you for another precious gift I love you beyond words.
"All the staff at @theroyalwomens thank you so much for all your hard work, not just for us but for everyone you help. We’re so in love 🙏🏼 The Smiths." he wrote.
Kris and Sarah welcomed baby Frankie into the world on Thursday
Instagram
Sarah also took to Instagram to share the family's special news.
"Frankie Elle Smith ❤️ ... no words just love!" she wrote alongside a snap of herself, Kris and newborn Frankie.
Sarah introduced Mila to her new baby sister
Instagram
The couple also have a one-year-old daughter Mila, who was born last December.
And Kris is dad to son Ethan, 9, who he shares with Dannii Minogue.