Oh, boy! Mario Lopez and his wife, Courtney Mazza, welcomed their second child, son Dominic, on Monday, Sept. 9, the Extra host announced via Twitter. "It's a boy!!!!!!!!!!!!!! Please welcome Dominic Lopez to the world," Lopez wrote. "Couldn't be happier… Courtney and baby are doing just fine."
Prior to Dominic's birth, Lopez was hard at work on Season 2 of Fox's The X Factor. "Whoa.. Cutting it close. Just wrapped @TheXFactorUSA & I'm rushing to the hospital. Baby Lopez #2 is coming tonight!" he tweeted. "Baby better wait for me." After his son's delivery, the former Saved by the Bell star added, "I am in heaven right now.... And in a bar. #CelebratingDominicLopez #BabyLopezNumber2."