One commented: "congratulations to you three, full of love for your beautiful little family which is growing. and Violet must be so happy to be a big sister again."
While another told her: "Congratulations, I'm so happy for you"
Christina shared another close up shot of her bump on Instagram, writing: "You and Me + 3"
Matt, 35, shared a post to his Instagram followers in French which translated to: "Welcome my son … Our little Kenna is doing well and his mom has once again been amazing.
Christina Milian months before getting pregnant with baby number three.
