Mario was born on 27 Aug 1986 in Baltimore, Maryland, United States. His birth name was Mario Dewar Barrett. His is also called Mario.

Mario Dewar Barrett is an American Grammy-nominated R&B and pop singer, actor, model, dancer and philanthropist. He is best known for his hit singles "Just a Friend 2002" (2002) and "Let Me Love You" (2004), which won him two Billboard awards, as well as for appearing in the films Step Up and Freedom Writers.

Mario released the following albums including Go (2007), Turning Point (2004) and Mario (2002).