The couple, who won renovating series House Rules in 2014, welcomed their first child, Arabella Jacqueline, in May last year.
"I’ve never seen Ad cry in seven years, but a few tears were shed that day," Lisa told New Idea after her daughter's birth.
"It’s beautiful to see him as a father, and he’s been supportive," she continued. "Both of us were pretty naive going into this, but the effect our little princess has on Ad is nothing short of amazing."