Mario Lopez Net Worth: Miss Universe 2021 Host Earns Millions From 'Extra' By Liezelle Roy KEY POINTS He got his biggest break on "Save by the Bell" as AC Slater He is an actor, a host and a book author Mario Lopez started his career in entertainment at a young age and has since made a name for himself, appearing on TV shows, sitcoms while also hosting events. Here's how much the Miss Universe host is worth today. Lopez is best known as an entertainment journalist in the show “Extra,” but he started his path towards stardom appearing in commercials when he was 10 years old. He then took up small roles in sitcoms and movies until his biggest break as AC Slater in the popular 80s sitcom, “Saved by the Bell.”