Married At First Sight Australia star Elizabeth Sobinoff.Lizzie has just confirmed she's expecting her first child with husband Alex Vega, four months after tying the knot in an intimate wedding ceremony.The MAFS star shared the news of her pregnancy with a series of photos showing off her growing baby bump. She accompanied the post with a caption that asked fans to stop leaving comments about her body. "Looking at some of these comments in the last few posts I’ve done," Lizzie wrote on Instagram.